72435236 has 12 divisors (see below), whose sum is σ = 126963312. Its totient is φ = 36160008.

The previous prime is 72435229. The next prime is 72435287. The reversal of 72435236 is 63253427.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11510 + ... + 16653.

It is an arithmetic number, because the mean of its divisors is an integer number (10580276).

Almost surely, 2^72435236 is an apocalyptic number.

It is an amenable number.

72435236 is a deficient number, since it is larger than the sum of its proper divisors (54528076).

72435236 is a wasteful number, since it uses less digits than its factorization.

72435236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28810 (or 28808 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 72435236 is about 8510.8892602360. The cubic root of 72435236 is about 416.8533472462.

The spelling of 72435236 in words is "seventy-two million, four hundred thirty-five thousand, two hundred thirty-six".