73870256 has 20 divisors (see below), whose sum is σ = 143808504. Its totient is φ = 36758400.

The previous prime is 73870243. The next prime is 73870283. The reversal of 73870256 is 65207837.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7565 + ... + 14316.

Almost surely, 2^73870256 is an apocalyptic number.

It is an amenable number.

73870256 is a deficient number, since it is larger than the sum of its proper divisors (69938248).

73870256 is a wasteful number, since it uses less digits than its factorization.

73870256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22100 (or 22094 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 73870256 is about 8594.7807418223. The cubic root of 73870256 is about 419.5881374435.

The spelling of 73870256 in words is "seventy-three million, eight hundred seventy thousand, two hundred fifty-six".