72520568 has 24 divisors (see below), whose sum is σ = 143515080. Its totient is φ = 34350480.

The previous prime is 72520559. The next prime is 72520573. The reversal of 72520568 is 86502527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9668 + ... + 15443.

It is an arithmetic number, because the mean of its divisors is an integer number (5979795).

Almost surely, 2^72520568 is an apocalyptic number.

It is an amenable number.

72520568 is a deficient number, since it is larger than the sum of its proper divisors (70994512).

72520568 is a wasteful number, since it uses less digits than its factorization.

72520568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25155 (or 25132 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 72520568 is about 8515.9008918611. The cubic root of 72520568 is about 417.0169737391.

The spelling of 72520568 in words is "seventy-two million, five hundred twenty thousand, five hundred sixty-eight".