64294656 has 36 divisors (see below), whose sum is σ = 171119592. Its totient is φ = 21431296.

The previous prime is 64294621. The next prime is 64294661. The reversal of 64294656 is 65649246.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

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, 41091 + ... + 42626.

It is an arithmetic number, because the mean of its divisors is an integer number (4753322).

Almost surely, 2^64294656 is an apocalyptic number.

It is an amenable number.

64294656 is an abundant number, since it is smaller than the sum of its proper divisors (106824936).

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

64294656 is an equidigital number, since it uses as much as digits as its factorization.

64294656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83736 (or 83722 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 64294656 is about 8018.3948518391. The cubic root of 64294656 is about 400.6129269882.

The spelling of 64294656 in words is "sixty-four million, two hundred ninety-four thousand, six hundred fifty-six".