72572635 has 16 divisors (see below), whose sum is σ = 89299584. Its totient is φ = 56597632.

The previous prime is 72572623. The next prime is 72572657. The reversal of 72572635 is 53627527.

It is a cyclic number.

It is not a de Polignac number, because 72572635 - 2¹¹ = 72570587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72572594 and 72572603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45054 + ... + 46636.

It is an arithmetic number, because the mean of its divisors is an integer number (5581224).

Almost surely, 2^72572635 is an apocalyptic number.

72572635 is a deficient number, since it is larger than the sum of its proper divisors (16726949).

72572635 is a wasteful number, since it uses less digits than its factorization.

72572635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its digits is 88200, while the sum is 37.

The square root of 72572635 is about 8518.9573892584. The cubic root of 72572635 is about 417.1167506214.

The spelling of 72572635 in words is "seventy-two million, five hundred seventy-two thousand, six hundred thirty-five".