716656 has 20 divisors (see below), whose sum is σ = 1419552. Its totient is φ = 350336.

The previous prime is 716633. The next prime is 716659. The reversal of 716656 is 656617.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276 + ... + 1228.

2⁷¹⁶⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

716656 is a deficient number, since it is larger than the sum of its proper divisors (702896).

716656 is a wasteful number, since it uses less digits than its factorization.

716656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 1002 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 716656 is about 846.5553732627. Note that the first 3 decimals coincide. The cubic root of 716656 is about 89.4891219887.

The spelling of 716656 in words is "seven hundred sixteen thousand, six hundred fifty-six".