64682944 has 14 divisors (see below), whose sum is σ = 128355344. Its totient is φ = 32341440.

The previous prime is 64682929. The next prime is 64682971. The reversal of 64682944 is 44928646.

It is a self number, because there is not a number n which added to its sum of digits gives 64682944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505272 + ... + 505399.

Almost surely, 2^64682944 is an apocalyptic number.

64682944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64682944 is a deficient number, since it is larger than the sum of its proper divisors (63672400).

64682944 is a wasteful number, since it uses less digits than its factorization.

64682944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010683 (or 1010673 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 64682944 is about 8042.5707332917. The cubic root of 64682944 is about 401.4177688913.

The spelling of 64682944 in words is "sixty-four million, six hundred eighty-two thousand, nine hundred forty-four".