470

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Number

$470$ (four hundred and seventy) is:

$2 \times 5 \times 47$

The $45$th noncototient after $10$, $26$, $34$, $50$, $\ldots$, $344$, $346$, $362$, $366$, $372$, $386$, $394$, $404$, $412$, $436$, $466$:

$\nexists m \in \Z_{>0}: m - \phi \left({m}\right) = 470$

where $\phi \left({m}\right)$ denotes the Euler $\phi$ function

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