24

Number
$24$ (twenty-four) is:


 * $2^3 \times 3$


 * Divisible by both the sum and product of its digits.


 * The smallest composite number the product of whose proper divisors form a cube:
 * $1 \times 2 \times 3 \times 4 \times 6 \times 8 \times 12 = 24^3$


 * The $24$th pyramidal number is a square:
 * $1^2 + 2^2 + \cdots + 24^2 = 70^2$

Also see

 * Sum of Squares of Divisors of 24 and 26 are Equal