76904256 has 112 divisors (see below), whose sum is σ = 239133888. Its totient is φ = 21504000.

The previous prime is 76904239. The next prime is 76904257. The reversal of 76904256 is 65240967.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76904257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26056 + ... + 28856.

It is an arithmetic number, because the mean of its divisors is an integer number (2135124).

Almost surely, 2^76904256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76904256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119566944).

76904256 is an abundant number, since it is smaller than the sum of its proper divisors (162229632).

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

76904256 is a wasteful number, since it uses less digits than its factorization.

76904256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 76904256 is about 8769.5071697331. The cubic root of 76904256 is about 425.2556819053.

The spelling of 76904256 in words is "seventy-six million, nine hundred four thousand, two hundred fifty-six".