72980272 has 10 divisors (see below), whose sum is σ = 141399308. Its totient is φ = 36490128.

The previous prime is 72980251. The next prime is 72980291. The reversal of 72980272 is 27208927.

It is a super-2 number, since 2×72980272² = 10652240202387968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280618 + ... + 2280649.

Almost surely, 2^72980272 is an apocalyptic number.

It is an amenable number.

72980272 is a deficient number, since it is larger than the sum of its proper divisors (68419036).

72980272 is a wasteful number, since it uses less digits than its factorization.

72980272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561275 (or 4561269 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 72980272 is about 8542.8491734315. The cubic root of 72980272 is about 417.8962678427.

The spelling of 72980272 in words is "seventy-two million, nine hundred eighty thousand, two hundred seventy-two".