520803072 has 108 divisors (see below), whose sum is σ = 1580768280. Its totient is φ = 164450304.

The previous prime is 520803067. The next prime is 520803079. The reversal of 520803072 is 270308025.

It is not an unprimeable number, because it can be changed into a prime (520803079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37828 + ... + 49724.

Almost surely, 2^520803072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520803072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790384140).

520803072 is an abundant number, since it is smaller than the sum of its proper divisors (1059965208).

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

520803072 is a wasteful number, since it uses less digits than its factorization.

520803072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11938 (or 11921 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 520803072 is about 22821.1102271559. The cubic root of 520803072 is about 804.5589044716.

The spelling of 520803072 in words is "five hundred twenty million, eight hundred three thousand, seventy-two".