72265534 has 32 divisors (see below), whose sum is σ = 122381280. Its totient is φ = 31718400.

The previous prime is 72265511. The next prime is 72265549. The reversal of 72265534 is 43556227.

It is a self number, because there is not a number n which added to its sum of digits gives 72265534.

It is a congruent number.

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, 101572 + ... + 102280.

It is an arithmetic number, because the mean of its divisors is an integer number (3824415).

Almost surely, 2^72265534 is an apocalyptic number.

72265534 is a deficient number, since it is larger than the sum of its proper divisors (50115746).

72265534 is a wasteful number, since it uses less digits than its factorization.

72265534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876.

The product of its digits is 50400, while the sum is 34.

The square root of 72265534 is about 8500.9137155955. The cubic root of 72265534 is about 416.5275566191.

The spelling of 72265534 in words is "seventy-two million, two hundred sixty-five thousand, five hundred thirty-four".