72520608 has 48 divisors (see below), whose sum is σ = 190935360. Its totient is φ = 24101376.

The previous prime is 72520573. The next prime is 72520627. The reversal of 72520608 is 80602527.

It is a tau number, because it is divible by the number of its divisors (48).

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, 38341 + ... + 40187.

It is an arithmetic number, because the mean of its divisors is an integer number (3977820).

Almost surely, 2^72520608 is an apocalyptic number.

It is an amenable number.

72520608 is an abundant number, since it is smaller than the sum of its proper divisors (118414752).

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

72520608 is a wasteful number, since it uses less digits than its factorization.

72520608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269 (or 2261 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 72520608 is about 8515.9032404085. The cubic root of 72520608 is about 417.0170504101.

The spelling of 72520608 in words is "seventy-two million, five hundred twenty thousand, six hundred eight".