656725376 has 32 divisors (see below), whose sum is σ = 1309490280. Its totient is φ = 328069120.

The previous prime is 656725343. The next prime is 656725379. The reversal of 656725376 is 673527656.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 656725376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656725379) 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, 245840 + ... + 248496.

Almost surely, 2^656725376 is an apocalyptic number.

It is an amenable number.

656725376 is a deficient number, since it is larger than the sum of its proper divisors (652764904).

656725376 is a wasteful number, since it uses less digits than its factorization.

656725376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602 (or 4590 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 47.

The square root of 656725376 is about 25626.6536246932. The cubic root of 656725376 is about 869.2164416417.

The spelling of 656725376 in words is "six hundred fifty-six million, seven hundred twenty-five thousand, three hundred seventy-six".