72265532 has 6 divisors (see below), whose sum is σ = 126464688. Its totient is φ = 36132764.

The previous prime is 72265511. The next prime is 72265549. The reversal of 72265532 is 23556227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9033188 + ... + 9033195.

It is an arithmetic number, because the mean of its divisors is an integer number (21077448).

Almost surely, 2^72265532 is an apocalyptic number.

It is an amenable number.

72265532 is a deficient number, since it is larger than the sum of its proper divisors (54199156).

72265532 is a wasteful number, since it uses less digits than its factorization.

72265532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18066387 (or 18066385 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 72265532 is about 8500.9135979611. The cubic root of 72265532 is about 416.5275527765.

The spelling of 72265532 in words is "seventy-two million, two hundred sixty-five thousand, five hundred thirty-two".