64996828 has 12 divisors (see below), whose sum is σ = 122494120. Its totient is φ = 29998512.

The previous prime is 64996807. The next prime is 64996837. The reversal of 64996828 is 82869946.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 1249939 = 64996828 / (6 + 4 + 9 + 9 + 6 + 8 + 2 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624918 + ... + 625021.

Almost surely, 2^64996828 is an apocalyptic number.

It is an amenable number.

64996828 is a deficient number, since it is larger than the sum of its proper divisors (57497292).

64996828 is a wasteful number, since it uses less digits than its factorization.

64996828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249956 (or 1249954 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 64996828 is about 8062.0610268095. The cubic root of 64996828 is about 402.0660353719.

The spelling of 64996828 in words is "sixty-four million, nine hundred ninety-six thousand, eight hundred twenty-eight".