72508562 has 16 divisors (see below), whose sum is σ = 124746432. Its totient is φ = 30963600.

The previous prime is 72508547. The next prime is 72508571. The reversal of 72508562 is 26580527.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 5189 + ... + 13112.

It is an arithmetic number, because the mean of its divisors is an integer number (7796652).

Almost surely, 2^72508562 is an apocalyptic number.

72508562 is a deficient number, since it is larger than the sum of its proper divisors (52237870).

72508562 is a wasteful number, since it uses less digits than its factorization.

72508562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18593.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 72508562 is about 8515.1959460719. The cubic root of 72508562 is about 416.9939596608.

The spelling of 72508562 in words is "seventy-two million, five hundred eight thousand, five hundred sixty-two".