520716072 has 32 divisors (see below), whose sum is σ = 1333543680. Its totient is φ = 169338240.

The previous prime is 520716037. The next prime is 520716107. The reversal of 520716072 is 270617025.

It is an interprime number because it is at equal distance from previous prime (520716037) and next prime (520716107).

It is a super-3 number, since 3×520716072³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263608 + ... + 265575.

It is an arithmetic number, because the mean of its divisors is an integer number (41673240).

Almost surely, 2^520716072 is an apocalyptic number.

It is an amenable number.

520716072 is an abundant number, since it is smaller than the sum of its proper divisors (812827608).

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

520716072 is a wasteful number, since it uses less digits than its factorization.

520716072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529233 (or 529229 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 520716072 is about 22819.2040176690. The cubic root of 520716072 is about 804.5141015340.

The spelling of 520716072 in words is "five hundred twenty million, seven hundred sixteen thousand, seventy-two".