72631236 has 24 divisors (see below), whose sum is σ = 172252864. Its totient is φ = 23813280.

The previous prime is 72631201. The next prime is 72631241. The reversal of 72631236 is 63213627.

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, 48880 + ... + 50343.

Almost surely, 2^72631236 is an apocalyptic number.

It is an amenable number.

72631236 is an abundant number, since it is smaller than the sum of its proper divisors (99621628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72631236 is a wasteful number, since it uses less digits than its factorization.

72631236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99291 (or 99289 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 72631236 is about 8522.3961419310. The cubic root of 72631236 is about 417.2289916538.

The spelling of 72631236 in words is "seventy-two million, six hundred thirty-one thousand, two hundred thirty-six".