73242872 has 16 divisors (see below), whose sum is σ = 144558600. Its totient is φ = 34693920.

The previous prime is 73242839. The next prime is 73242901. The reversal of 73242872 is 27824237.

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, 240779 + ... + 241082.

Almost surely, 2^73242872 is an apocalyptic number.

It is an amenable number.

73242872 is a deficient number, since it is larger than the sum of its proper divisors (71315728).

73242872 is a wasteful number, since it uses less digits than its factorization.

73242872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481886 (or 481882 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 73242872 is about 8558.2049519745. The cubic root of 73242872 is about 418.3968971981.

The spelling of 73242872 in words is "seventy-three million, two hundred forty-two thousand, eight hundred seventy-two".