716664 has 32 divisors (see below), whose sum is σ = 1930320. Its totient is φ = 220416.

The previous prime is 716663. The next prime is 716671. The reversal of 716664 is 466617.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837 + ... + 1460.

2⁷¹⁶⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

716664 is an abundant number, since it is smaller than the sum of its proper divisors (1213656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

716664 is a wasteful number, since it uses less digits than its factorization.

716664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319 (or 2315 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 716664 is about 846.5600982801. The cubic root of 716664 is about 89.4894549752.

Subtracting from 716664 its reverse (466617), we obtain a cube (250047 = 63³).

The spelling of 716664 in words is "seven hundred sixteen thousand, six hundred sixty-four".