72227344 has 40 divisors (see below), whose sum is σ = 163346688. Its totient is φ = 30293760.

The previous prime is 72227329. The next prime is 72227369. The reversal of 72227344 is 44372227.

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, 1597 + ... + 12124.

Almost surely, 2^72227344 is an apocalyptic number.

It is an amenable number.

72227344 is an abundant number, since it is smaller than the sum of its proper divisors (91119344).

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

72227344 is a wasteful number, since it uses less digits than its factorization.

72227344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13783 (or 13777 counting only the distinct ones).

The product of its digits is 18816, while the sum is 31.

The square root of 72227344 is about 8498.6671896245. The cubic root of 72227344 is about 416.4541699045.

The spelling of 72227344 in words is "seventy-two million, two hundred twenty-seven thousand, three hundred forty-four".