292

Number
$292$ (two hundred and ninety-two) is:


 * $2^2 \times 73$


 * The $29$th noncototient after $10$, $26$, $34$, $50$, $\ldots$, $244$, $260$, $266$, $268$, $274$, $290$:
 * $\nexists m \in \Z_{>0}: m - \phi \left({m}\right) = 292$
 * where $\phi \left({m}\right)$ denotes the Euler $\phi$ function


 * The $22$nd untouchable number after $2, 5, 52, 88, 96, 120, 124, \ldots, 262, 268, 276, 288, 290$.