64,000

Number
$64 \, 000$ (twenty-one thousand, nine hundred and fifty-two) is:


 * $2^9 \times 5^3$


 * The $3$rd after $1$, $21 \, 952$ of the $3$ positive integers whose $\tau$ value equals its cube root:
 * $\map \tau {64 \, 000} = 40$


 * The $40$th cube number:
 * $64 \, 000 = 40 \times 40 \times 40$