72952480 has 24 divisors (see below), whose sum is σ = 172350612. Its totient is φ = 29180928.

The previous prime is 72952469. The next prime is 72952519. The reversal of 72952480 is 8425927.

It can be written as a sum of positive squares in 2 ways, for example, as 71707024 + 1245456 = 8468^2 + 1116^2 .

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, 227817 + ... + 228136.

Almost surely, 2^72952480 is an apocalyptic number.

It is an amenable number.

72952480 is an abundant number, since it is smaller than the sum of its proper divisors (99398132).

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

72952480 is a wasteful number, since it uses less digits than its factorization.

72952480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455968 (or 455960 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 72952480 is about 8541.2223949503. Note that the first 3 decimals coincide. The cubic root of 72952480 is about 417.8432140180.

The spelling of 72952480 in words is "seventy-two million, nine hundred fifty-two thousand, four hundred eighty".