What does "totient" mean?

The number of positive integers not greater than a specified integer that are relatively prime to it.

Totient

/ˈtoʊʃənt/ noun

noun ·Rare ·Advanced level

Noun

1
The number of positive integers not greater than a specified integer that are relatively prime to it.

From Latin totiēns (“so many times, so often”). Coined by English mathematician James Joseph Sylvester in 1879.