95

Number
$95$ (ninety-five) is:


 * $5 \times 19$


 * The $5$th hexagonal pyramidal number after $1, 7, 22, 50$:
 * $95 = 1 + 6 + 15 + 28 + 45$


 * The $33$rd semiprime:
 * $95 = 5 \times 19$


 * The $6$th inconsummate number after $62, 63, 65, 75, 84$:
 * $\nexists n \in \Z_{>0}: n = 95 \times s_{10} \left({n}\right)$


 * The $47$th positive integer after $2, 3, 4, 7, 8, \ldots, 61, 65, 66, 67, 72, 77, 80, 81, 84, 89, 94$ which cannot be expressed as the sum of distinct pentagonal numbers.


 * The $3$rd of the $17$ positive integers for which the value of the Euler $\phi$ function is $72$:
 * $73, 91, 95, 111, 117, 135, 146, 148, 152, 182, 190, 216, 222, 228, 234, 252, 270$