576

Number
$576$ (five hundred and seventy-six) is:
 * $2^6 \times 3^2$


 * The $24$th square number after $1, 4, 9, 16, 25, 36, \ldots, 361, 400, 441, 484, 529$:
 * $576 = 24 \times 24$


 * The $47$th untouchable number after $2, 5, 52, 88, 96, 120, 124, \ldots, 472, 474, 498, 516, 518, 520, 530, 540, 552, 556, 562$.