68873658 has 16 divisors (see below), whose sum is σ = 157425600. Its totient is φ = 19678176.

The previous prime is 68873641. The next prime is 68873663. The reversal of 68873658 is 85637886.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68873658.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819883 + ... + 819966.

It is an arithmetic number, because the mean of its divisors is an integer number (9839100).

Almost surely, 2^68873658 is an apocalyptic number.

68873658 is an abundant number, since it is smaller than the sum of its proper divisors (88551942).

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

68873658 is a wasteful number, since it uses less digits than its factorization.

68873658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639861.

The product of its digits is 1935360, while the sum is 51.

The square root of 68873658 is about 8299.0154837788. The cubic root of 68873658 is about 409.9061018364.

The spelling of 68873658 in words is "sixty-eight million, eight hundred seventy-three thousand, six hundred fifty-eight".