64,000

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


 * $2^9 \times 5^3$


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


 * The $2$nd of the $2$ positive integers whose $\tau$ value equals its cube root:
 * $\tau \left({64 \, 000}\right) = 40$