520772304 has 40 divisors (see below), whose sum is σ = 1448816992. Its totient is φ = 160237440.

The previous prime is 520772303. The next prime is 520772327. The reversal of 520772304 is 403277025.

It is a super-2 number, since 2×520772304² = 542407585226936832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520772303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416662 + ... + 417909.

Almost surely, 2^520772304 is an apocalyptic number.

It is an amenable number.

520772304 is an abundant number, since it is smaller than the sum of its proper divisors (928044688).

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

520772304 is a wasteful number, since it uses less digits than its factorization.

520772304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834595 (or 834589 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 520772304 is about 22820.4361045095. The cubic root of 520772304 is about 804.5430602513.

The spelling of 520772304 in words is "five hundred twenty million, seven hundred seventy-two thousand, three hundred four".