64874812 has 12 divisors (see below), whose sum is σ = 118467216. Its totient is φ = 31027040.

The previous prime is 64874783. The next prime is 64874813. The reversal of 64874812 is 21847846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64874813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352489 + ... + 352672.

It is an arithmetic number, because the mean of its divisors is an integer number (9872268).

Almost surely, 2^64874812 is an apocalyptic number.

It is an amenable number.

64874812 is a deficient number, since it is larger than the sum of its proper divisors (53592404).

64874812 is a wasteful number, since it uses less digits than its factorization.

64874812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705188 (or 705186 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 64874812 is about 8054.4901762930. The cubic root of 64874812 is about 401.8142834969.

The spelling of 64874812 in words is "sixty-four million, eight hundred seventy-four thousand, eight hundred twelve".