64872124 has 6 divisors (see below), whose sum is σ = 113526224. Its totient is φ = 32436060.

The previous prime is 64872109. The next prime is 64872133. The reversal of 64872124 is 42127846.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64872124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8109012 + ... + 8109019.

Almost surely, 2^64872124 is an apocalyptic number.

It is an amenable number.

64872124 is a deficient number, since it is larger than the sum of its proper divisors (48654100).

64872124 is a wasteful number, since it uses less digits than its factorization.

64872124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16218035 (or 16218033 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 64872124 is about 8054.3233111168. The cubic root of 64872124 is about 401.8087338767.

The spelling of 64872124 in words is "sixty-four million, eight hundred seventy-two thousand, one hundred twenty-four".