73772732 has 18 divisors (see below), whose sum is σ = 141906744. Its totient is φ = 33532840.

The previous prime is 73772717. The next prime is 73772737. The reversal of 73772732 is 23727737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73772737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75728 + ... + 76695.

It is an arithmetic number, because the mean of its divisors is an integer number (7883708).

Almost surely, 2^73772732 is an apocalyptic number.

It is an amenable number.

73772732 is a deficient number, since it is larger than the sum of its proper divisors (68134012).

73772732 is a wasteful number, since it uses less digits than its factorization.

73772732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152449 (or 152436 counting only the distinct ones).

The product of its digits is 86436, while the sum is 38.

The square root of 73772732 is about 8589.1054248973. The cubic root of 73772732 is about 419.4034084491.

The spelling of 73772732 in words is "seventy-three million, seven hundred seventy-two thousand, seven hundred thirty-two".