72231484 has 24 divisors (see below), whose sum is σ = 136760960. Its totient is φ = 33182784.

The previous prime is 72231473. The next prime is 72231493. The reversal of 72231484 is 48413227.

It is a congruent 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, 8482 + ... + 14710.

Almost surely, 2^72231484 is an apocalyptic number.

It is an amenable number.

72231484 is a deficient number, since it is larger than the sum of its proper divisors (64529476).

72231484 is a wasteful number, since it uses less digits than its factorization.

72231484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469 (or 6467 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 72231484 is about 8498.9107537378. The cubic root of 72231484 is about 416.4621266663.

The spelling of 72231484 in words is "seventy-two million, two hundred thirty-one thousand, four hundred eighty-four".