472

Number
$472$ (four hundred and seventy-two) is:


 * $2^3 \times 59$


 * The $36$th untouchable number after $2, 5, 52, 88, 96, 120, 124, \ldots, 324, 326, 336, 342, 372, 406, 408, 426, 430, 448$.


 * The $25$th number whose $\sigma$ value is square:


 * The $5$th positive integer $n$ after $157, 262, 367, 412$ for which $\phi \left({2 n + 1}\right) < \phi \left({2 n}\right)$:
 * $\phi \left({2 \times 472 + 1}\right) = ???, \phi \left({2 \times 472}\right) = ???$