67872844 has 12 divisors (see below), whose sum is σ = 127914304. Its totient is φ = 31325904.

The previous prime is 67872799. The next prime is 67872869. The reversal of 67872844 is 44827876.

It is a junction number, because it is equal to n+sod(n) for n = 67872794 and 67872803.

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, 652572 + ... + 652675.

Almost surely, 2^67872844 is an apocalyptic number.

It is an amenable number.

67872844 is a deficient number, since it is larger than the sum of its proper divisors (60041460).

67872844 is a wasteful number, since it uses less digits than its factorization.

67872844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305264 (or 1305262 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 67872844 is about 8238.4976785819. The cubic root of 67872844 is about 407.9109362815.

The spelling of 67872844 in words is "sixty-seven million, eight hundred seventy-two thousand, eight hundred forty-four".