72277372 has 12 divisors (see below), whose sum is σ = 128872296. Its totient is φ = 35456720.

The previous prime is 72277363. The next prime is 72277393. The reversal of 72277372 is 27377227.

It is a congruent number.

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, 170254 + ... + 170677.

It is an arithmetic number, because the mean of its divisors is an integer number (10739358).

Almost surely, 2^72277372 is an apocalyptic number.

It is an amenable number.

72277372 is a deficient number, since it is larger than the sum of its proper divisors (56594924).

72277372 is a wasteful number, since it uses less digits than its factorization.

72277372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340988 (or 340986 counting only the distinct ones).

The product of its digits is 57624, while the sum is 37.

The square root of 72277372 is about 8501.6099651772. The cubic root of 72277372 is about 416.5502995217.

The spelling of 72277372 in words is "seventy-two million, two hundred seventy-seven thousand, three hundred seventy-two".