76913728 has 28 divisors (see below), whose sum is σ = 157553152. Its totient is φ = 37215360.

The previous prime is 76913717. The next prime is 76913737. The reversal of 76913728 is 82731967.

It is a happy number.

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, 17400 + ... + 21367.

Almost surely, 2^76913728 is an apocalyptic number.

It is an amenable number.

76913728 is an abundant number, since it is smaller than the sum of its proper divisors (80639424).

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

76913728 is a wasteful number, since it uses less digits than its factorization.

76913728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38810 (or 38800 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 76913728 is about 8770.0472062584. The cubic root of 76913728 is about 425.2731402215.

The spelling of 76913728 in words is "seventy-six million, nine hundred thirteen thousand, seven hundred twenty-eight".