64325668 has 24 divisors (see below), whose sum is σ = 123570720. Its totient is φ = 29056320.

The previous prime is 64325609. The next prime is 64325669. The reversal of 64325668 is 86652346.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64325668.

It is not an unprimeable number, because it can be changed into a prime (64325669) 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 7 ways as a sum of consecutive naturals, for example, 2688 + ... + 11656.

It is an arithmetic number, because the mean of its divisors is an integer number (5148780).

Almost surely, 2^64325668 is an apocalyptic number.

It is an amenable number.

64325668 is a deficient number, since it is larger than the sum of its proper divisors (59245052).

64325668 is a wasteful number, since it uses less digits than its factorization.

64325668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147 (or 9145 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 64325668 is about 8020.3284222032. The cubic root of 64325668 is about 400.6773274215.

It can be divided in two parts, 6432 and 5668, that added together give a square (12100 = 110²).

The spelling of 64325668 in words is "sixty-four million, three hundred twenty-five thousand, six hundred sixty-eight".