76780732 has 48 divisors (see below), whose sum is σ = 157480960. Its totient is φ = 32078592.

The previous prime is 76780709. The next prime is 76780747. The reversal of 76780732 is 23708767.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227668 + ... + 228004.

Almost surely, 2^76780732 is an apocalyptic number.

It is an amenable number.

76780732 is an abundant number, since it is smaller than the sum of its proper divisors (80700228).

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

76780732 is a wasteful number, since it uses less digits than its factorization.

76780732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 76780732 is about 8762.4615263064. The cubic root of 76780732 is about 425.0278772948.

The spelling of 76780732 in words is "seventy-six million, seven hundred eighty thousand, seven hundred thirty-two".