520730076 has 12 divisors (see below), whose sum is σ = 1215036872. Its totient is φ = 173576688.

The previous prime is 520730039. The next prime is 520730083. The reversal of 520730076 is 670037025.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21697075 + ... + 21697098.

Almost surely, 2^520730076 is an apocalyptic number.

It is an amenable number.

520730076 is an abundant number, since it is smaller than the sum of its proper divisors (694306796).

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

520730076 is a wasteful number, since it uses less digits than its factorization.

520730076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43394180 (or 43394178 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 520730076 is about 22819.5108624177. The cubic root of 520730076 is about 804.5213135990.

The spelling of 520730076 in words is "five hundred twenty million, seven hundred thirty thousand, seventy-six".