470

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