73257928 has 24 divisors (see below), whose sum is σ = 141192450. Its totient is φ = 35633664.

The previous prime is 73257923. The next prime is 73257937. The reversal of 73257928 is 82975237.

It can be written as a sum of positive squares in 3 ways, for example, as 68923204 + 4334724 = 8302^2 + 2082^2 .

It is not an unprimeable number, because it can be changed into a prime (73257923) 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, 7608 + ... + 14296.

Almost surely, 2^73257928 is an apocalyptic number.

It is an amenable number.

73257928 is a deficient number, since it is larger than the sum of its proper divisors (67934522).

73257928 is a wasteful number, since it uses less digits than its factorization.

73257928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769 (or 6728 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 73257928 is about 8559.0845304857. The cubic root of 73257928 is about 418.4255641611.

The spelling of 73257928 in words is "seventy-three million, two hundred fifty-seven thousand, nine hundred twenty-eight".