72203268 has 24 divisors (see below), whose sum is σ = 177341920. Its totient is φ = 22800960.

The previous prime is 72203251. The next prime is 72203303. The reversal of 72203268 is 86230227.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158113 + ... + 158568.

Almost surely, 2^72203268 is an apocalyptic number.

It is an amenable number.

72203268 is an abundant number, since it is smaller than the sum of its proper divisors (105138652).

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

72203268 is a wasteful number, since it uses less digits than its factorization.

72203268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316707 (or 316705 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 72203268 is about 8497.2506141693. The cubic root of 72203268 is about 416.4078916562.

The spelling of 72203268 in words is "seventy-two million, two hundred three thousand, two hundred sixty-eight".