64526864 has 40 divisors (see below), whose sum is σ = 130170240. Its totient is φ = 30962048.

The previous prime is 64526857. The next prime is 64526879. The reversal of 64526864 is 46862546.

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 7 ways as a sum of consecutive naturals, for example, 39047 + ... + 40665.

It is an arithmetic number, because the mean of its divisors is an integer number (3254256).

Almost surely, 2^64526864 is an apocalyptic number.

It is an amenable number.

64526864 is an abundant number, since it is smaller than the sum of its proper divisors (65643376).

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

64526864 is a wasteful number, since it uses less digits than its factorization.

64526864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727 (or 1721 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 64526864 is about 8032.8615075825. The cubic root of 64526864 is about 401.0946350361.

The spelling of 64526864 in words is "sixty-four million, five hundred twenty-six thousand, eight hundred sixty-four".