64256274 has 32 divisors (see below), whose sum is σ = 143432640. Its totient is φ = 21322656.

The previous prime is 64256239. The next prime is 64256281. The reversal of 64256274 is 47265246.

64256274 is a `hidden beast` number, since 6 + 4 + 25 + 627 + 4 = 666.

64256274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 10029 + ... + 15135.

It is an arithmetic number, because the mean of its divisors is an integer number (4482270).

Almost surely, 2^64256274 is an apocalyptic number.

64256274 is an abundant number, since it is smaller than the sum of its proper divisors (79176366).

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

64256274 is a wasteful number, since it uses less digits than its factorization.

64256274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351 (or 5345 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 64256274 is about 8016.0011227544. The cubic root of 64256274 is about 400.5331931136.

The spelling of 64256274 in words is "sixty-four million, two hundred fifty-six thousand, two hundred seventy-four".