72570672 has 30 divisors (see below), whose sum is σ = 203097492. Its totient is φ = 24190176.

The previous prime is 72570661. The next prime is 72570691. The reversal of 72570672 is 27607527.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 251838 + ... + 252125.

Almost surely, 2^72570672 is an apocalyptic number.

72570672 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

72570672 is an abundant number, since it is smaller than the sum of its proper divisors (130526820).

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

72570672 is a wasteful number, since it uses less digits than its factorization.

72570672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503977 (or 503968 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 72570672 is about 8518.8421748498. The cubic root of 72570672 is about 417.1129897567.

The spelling of 72570672 in words is "seventy-two million, five hundred seventy thousand, six hundred seventy-two".