64633008 has 80 divisors (see below), whose sum is σ = 183488256. Its totient is φ = 19441920.

The previous prime is 64632991. The next prime is 64633021. The reversal of 64633008 is 80033646.

64633008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87810 + ... + 88542.

Almost surely, 2^64633008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64633008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91744128).

64633008 is an abundant number, since it is smaller than the sum of its proper divisors (118855248).

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

64633008 is a wasteful number, since it uses less digits than its factorization.

64633008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 64633008 is about 8039.4656538852. The cubic root of 64633008 is about 401.3144425374.

The spelling of 64633008 in words is "sixty-four million, six hundred thirty-three thousand, eight".