68170992 has 40 divisors (see below), whose sum is σ = 176476800. Its totient is φ = 22676160.

The previous prime is 68170981. The next prime is 68171023. The reversal of 68170992 is 29907186.

It is a congruent number.

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, 27567 + ... + 29937.

It is an arithmetic number, because the mean of its divisors is an integer number (4411920).

Almost surely, 2^68170992 is an apocalyptic number.

It is an amenable number.

68170992 is an abundant number, since it is smaller than the sum of its proper divisors (108305808).

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

68170992 is a wasteful number, since it uses less digits than its factorization.

68170992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 68170992 is about 8256.5726545583. The cubic root of 68170992 is about 408.5073465557.

The spelling of 68170992 in words is "sixty-eight million, one hundred seventy thousand, nine hundred ninety-two".