64614256 has 40 divisors (see below), whose sum is σ = 143562240. Its totient is φ = 27597504.

The previous prime is 64614241. The next prime is 64614257. The reversal of 64614256 is 65241646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64614257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39405 + ... + 41011.

It is an arithmetic number, because the mean of its divisors is an integer number (3589056).

Almost surely, 2^64614256 is an apocalyptic number.

It is an amenable number.

64614256 is an abundant number, since it is smaller than the sum of its proper divisors (78947984).

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

64614256 is a wasteful number, since it uses less digits than its factorization.

64614256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1975 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 64614256 is about 8038.2993226179. The cubic root of 64614256 is about 401.2756276110.

The spelling of 64614256 in words is "sixty-four million, six hundred fourteen thousand, two hundred fifty-six".