73120256 has 40 divisors (see below), whose sum is σ = 159391584. Its totient is φ = 33233920.

The previous prime is 73120241. The next prime is 73120283. The reversal of 73120256 is 65202137.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860 + ... + 12123.

Almost surely, 2^73120256 is an apocalyptic number.

It is an amenable number.

73120256 is an abundant number, since it is smaller than the sum of its proper divisors (86271328).

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

73120256 is a wasteful number, since it uses less digits than its factorization.

73120256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13012 (or 12996 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 73120256 is about 8551.0382995283. The cubic root of 73120256 is about 418.1632871665.

The spelling of 73120256 in words is "seventy-three million, one hundred twenty thousand, two hundred fifty-six".