72945484 has 12 divisors (see below), whose sum is σ = 134373400. Its totient is φ = 34553088.

The previous prime is 72945461. The next prime is 72945491. The reversal of 72945484 is 48454927.

It is a self number, because there is not a number n which added to its sum of digits gives 72945484.

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, 479829 + ... + 479980.

Almost surely, 2^72945484 is an apocalyptic number.

It is an amenable number.

72945484 is a deficient number, since it is larger than the sum of its proper divisors (61427916).

72945484 is a wasteful number, since it uses less digits than its factorization.

72945484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959832 (or 959830 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 72945484 is about 8540.8128418787. The cubic root of 72945484 is about 417.8298568089.

The spelling of 72945484 in words is "seventy-two million, nine hundred forty-five thousand, four hundred eighty-four".