Euler's totient function

proper noun

The function that calculates the total number of integers below a given integer that are coprime to it.

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Meanings

proper noun
  1. mathematicsThe function that calculates the total number of integers below a given integer that are coprime to it.

Origin

Named after Swiss mathematician Leonhard Euler (1707–1783).

Full word history & related roots →

Translations

Finnish Eulerin φ-funktio
  • Eulerin φ-funktionumber theory
French L'indicatrice d'Euler
  • L'indicatrice d'Eulernumber theory
German Eulersche Phi-Funktion
  • Eulersche Phi-Funktionnumber theory
Icelandic phi-fall Eulers
  • phi-fall Eulersnumber theory
Italian funzione phi di Eulero
  • funzione phi di Euleronumber theory
Japanese オイラーのφ関数
  • オイラーのφ関数number theory
Polish funkcja φ, tocjent
  • funkcja φnumber theory
  • tocjentnumber theory
Russian фу́нкция Э́йлера
  • фу́нкция Э́йлера (fúnkcija Éjlera)number theory
Spanish función fi de Euler
  • función fi de Eulernumber theory
Swedish Eulers phi-funktion
  • Eulers phi-funktionnumber theory
Vietnamese hàm phi Euler
  • hàm phi Eulernumber theory
Cite this entry
APA

Euler's totient function. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Euler's%20totient%20function

MLA

“Euler's totient function.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Euler's%20totient%20function. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Euler's totient function,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Euler's%20totient%20function.

Source: Euler's totient function on Wiktionary, CC BY-SA 4.0.