73478256 has 40 divisors (see below), whose sum is σ = 190225920. Its totient is φ = 24440256.

The previous prime is 73478231. The next prime is 73478269. The reversal of 73478256 is 65287437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25665 + ... + 28383.

It is an arithmetic number, because the mean of its divisors is an integer number (4755648).

Almost surely, 2^73478256 is an apocalyptic number.

It is an amenable number.

73478256 is an abundant number, since it is smaller than the sum of its proper divisors (116747664).

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

73478256 is a wasteful number, since it uses less digits than its factorization.

73478256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3287 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 73478256 is about 8571.9458701044. The cubic root of 73478256 is about 418.8446250554.

The spelling of 73478256 in words is "seventy-three million, four hundred seventy-eight thousand, two hundred fifty-six".