72522572 has 12 divisors (see below), whose sum is σ = 126993216. Its totient is φ = 36238800.

The previous prime is 72522559. The next prime is 72522613. The reversal of 72522572 is 27522527.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158 + ... + 12450.

It is an arithmetic number, because the mean of its divisors is an integer number (10582768).

Almost surely, 2^72522572 is an apocalyptic number.

It is an amenable number.

72522572 is a deficient number, since it is larger than the sum of its proper divisors (54470644).

72522572 is a wasteful number, since it uses less digits than its factorization.

72522572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248 (or 11246 counting only the distinct ones).

The product of its digits is 19600, while the sum is 32.

The square root of 72522572 is about 8516.0185532912. The cubic root of 72522572 is about 417.0208149221.

The spelling of 72522572 in words is "seventy-two million, five hundred twenty-two thousand, five hundred seventy-two".