64733888 has 28 divisors (see below), whose sum is σ = 128717040. Its totient is φ = 32301312.

The previous prime is 64733873. The next prime is 64733897. The reversal of 64733888 is 88833746.

64733888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 52058 + ... + 53286.

Almost surely, 2^64733888 is an apocalyptic number.

It is an amenable number.

64733888 is a deficient number, since it is larger than the sum of its proper divisors (63983152).

64733888 is a wasteful number, since it uses less digits than its factorization.

64733888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064 (or 2054 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 64733888 is about 8045.7372564607. The cubic root of 64733888 is about 401.5231261884.

The spelling of 64733888 in words is "sixty-four million, seven hundred thirty-three thousand, eight hundred eighty-eight".