72570612 has 24 divisors (see below), whose sum is σ = 176694336. Its totient is φ = 23138368.

The previous prime is 72570601. The next prime is 72570623. The reversal of 72570612 is 21607527.

It is an interprime number because it is at equal distance from previous prime (72570601) and next prime (72570623).

It is a self number, because there is not a number n which added to its sum of digits gives 72570612.

It is a congruent number.

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, 131193 + ... + 131744.

It is an arithmetic number, because the mean of its divisors is an integer number (7362264).

Almost surely, 2^72570612 is an apocalyptic number.

It is an amenable number.

72570612 is an abundant number, since it is smaller than the sum of its proper divisors (104123724).

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

72570612 is a wasteful number, since it uses less digits than its factorization.

72570612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262967 (or 262965 counting only the distinct ones).

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

The square root of 72570612 is about 8518.8386532438. The cubic root of 72570612 is about 417.1128748031.

The spelling of 72570612 in words is "seventy-two million, five hundred seventy thousand, six hundred twelve".