73248728 has 24 divisors (see below), whose sum is σ = 159765300. Its totient is φ = 31392144.

The previous prime is 73248689. The next prime is 73248731. The reversal of 73248728 is 82784237.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93038 + ... + 93821.

Almost surely, 2^73248728 is an apocalyptic number.

It is an amenable number.

73248728 is an abundant number, since it is smaller than the sum of its proper divisors (86516572).

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

73248728 is a wasteful number, since it uses less digits than its factorization.

73248728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186879 (or 186868 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 73248728 is about 8558.5470729558. The cubic root of 73248728 is about 418.4080476208.

The spelling of 73248728 in words is "seventy-three million, two hundred forty-eight thousand, seven hundred twenty-eight".