75964656 has 20 divisors (see below), whose sum is σ = 196242152. Its totient is φ = 25321536.

The previous prime is 75964649. The next prime is 75964709. The reversal of 75964656 is 65646957.

75964656 is nontrivially palindromic in base 15.

It is a super-2 number, since 2×75964656² = 11541257922396672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1582597 = 75964656 / (7 + 5 + 9 + 6 + 4 + 6 + 5 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791251 + ... + 791346.

Almost surely, 2^75964656 is an apocalyptic number.

It is an amenable number.

75964656 is an abundant number, since it is smaller than the sum of its proper divisors (120277496).

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

75964656 is a wasteful number, since it uses less digits than its factorization.

75964656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582608 (or 1582602 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The square root of 75964656 is about 8715.7705339230. The cubic root of 75964656 is about 423.5166855472.

The spelling of 75964656 in words is "seventy-five million, nine hundred sixty-four thousand, six hundred fifty-six".