256074474 has 16 divisors (see below), whose sum is σ = 512467200. Its totient is φ = 85305120.

The previous prime is 256074473. The next prime is 256074487. The reversal of 256074474 is 474470652.

It is not an unprimeable number, because it can be changed into a prime (256074473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2074 + ... + 22725.

It is an arithmetic number, because the mean of its divisors is an integer number (32029200).

Almost surely, 2^256074474 is an apocalyptic number.

256074474 is an abundant number, since it is smaller than the sum of its proper divisors (256392726).

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

256074474 is a wasteful number, since it uses less digits than its factorization.

256074474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26525.

The product of its (nonzero) digits is 188160, while the sum is 39.

The square root of 256074474 is about 16002.3271432626. The cubic root of 256074474 is about 635.0219877893.

The spelling of 256074474 in words is "two hundred fifty-six million, seventy-four thousand, four hundred seventy-four".