76630256 has 20 divisors (see below), whose sum is σ = 152485032. Its totient is φ = 37279296.

The previous prime is 76630247. The next prime is 76630289. The reversal of 76630256 is 65203667.

It is a super-2 number, since 2×76630256² = 11744392269251072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 64130 + ... + 65313.

Almost surely, 2^76630256 is an apocalyptic number.

It is an amenable number.

76630256 is a deficient number, since it is larger than the sum of its proper divisors (75854776).

76630256 is a wasteful number, since it uses less digits than its factorization.

76630256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129488 (or 129482 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 76630256 is about 8753.8709152009. The cubic root of 76630256 is about 424.7500370967.

The spelling of 76630256 in words is "seventy-six million, six hundred thirty thousand, two hundred fifty-six".