64357256 has 16 divisors (see below), whose sum is σ = 127021200. Its totient is φ = 30484944.

The previous prime is 64357253. The next prime is 64357277. The reversal of 64357256 is 65275346.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (64357253) by changing a digit.

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, 211550 + ... + 211853.

It is an arithmetic number, because the mean of its divisors is an integer number (7938825).

Almost surely, 2^64357256 is an apocalyptic number.

It is an amenable number.

64357256 is a deficient number, since it is larger than the sum of its proper divisors (62663944).

64357256 is a wasteful number, since it uses less digits than its factorization.

64357256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423428 (or 423424 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 64357256 is about 8022.2974265481. The cubic root of 64357256 is about 400.7429027180.

The spelling of 64357256 in words is "sixty-four million, three hundred fifty-seven thousand, two hundred fifty-six".