73730572 has 12 divisors (see below), whose sum is σ = 129337936. Its totient is φ = 36776880.

The previous prime is 73730567. The next prime is 73730623. The reversal of 73730572 is 27503737.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 20208 + ... + 23575.

Almost surely, 2^73730572 is an apocalyptic number.

It is an amenable number.

73730572 is a deficient number, since it is larger than the sum of its proper divisors (55607364).

73730572 is a wasteful number, since it uses less digits than its factorization.

73730572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44208 (or 44206 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 73730572 is about 8586.6508022628. The cubic root of 73730572 is about 419.3234989910.

The spelling of 73730572 in words is "seventy-three million, seven hundred thirty thousand, five hundred seventy-two".