76816736 has 24 divisors (see below), whose sum is σ = 155322720. Its totient is φ = 37369728.

The previous prime is 76816703. The next prime is 76816741. The reversal of 76816736 is 63761867.

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, 31256 + ... + 33623.

It is an arithmetic number, because the mean of its divisors is an integer number (6471780).

Almost surely, 2^76816736 is an apocalyptic number.

It is an amenable number.

76816736 is an abundant number, since it is smaller than the sum of its proper divisors (78505984).

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

76816736 is a wasteful number, since it uses less digits than its factorization.

76816736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64926 (or 64918 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 76816736 is about 8764.5157310601. The cubic root of 76816736 is about 425.0943015656.

The spelling of 76816736 in words is "seventy-six million, eight hundred sixteen thousand, seven hundred thirty-six".