Euler totient function
= Euler totient function
{c}
{title2=$\varphi(n)$}
{wiki}
= Euler's totient function
{c}
{synonym}
Euler’s totient function counts residue classes modulo n that are coprime to n.
= Euler totient function
{c}
{title2=$\varphi(n)$}
{wiki}
= Euler's totient function
{c}
{synonym}
Euler’s totient function counts residue classes modulo n that are coprime to n.