68870904 has 16 divisors (see below), whose sum is σ = 172177320. Its totient is φ = 22956960.

The previous prime is 68870897. The next prime is 68870909. The reversal of 68870904 is 40907886.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68870909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434787 + ... + 1434834.

Almost surely, 2^68870904 is an apocalyptic number.

It is an amenable number.

68870904 is an abundant number, since it is smaller than the sum of its proper divisors (103306416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68870904 is a wasteful number, since it uses less digits than its factorization.

68870904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869630 (or 2869626 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 68870904 is about 8298.8495588244. The cubic root of 68870904 is about 409.9006382262.

The spelling of 68870904 in words is "sixty-eight million, eight hundred seventy thousand, nine hundred four".