68179172 has 6 divisors (see below), whose sum is σ = 119313558. Its totient is φ = 34089584.

The previous prime is 68179159. The next prime is 68179183. The reversal of 68179172 is 27197186.

It can be written as a sum of positive squares in only one way, i.e., 52765696 + 15413476 = 7264^2 + 3926^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8522393 + ... + 8522400.

It is an arithmetic number, because the mean of its divisors is an integer number (19885593).

Almost surely, 2^68179172 is an apocalyptic number.

It is an amenable number.

68179172 is a deficient number, since it is larger than the sum of its proper divisors (51134386).

68179172 is a wasteful number, since it uses less digits than its factorization.

68179172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17044797 (or 17044795 counting only the distinct ones).

The product of its digits is 42336, while the sum is 41.

The square root of 68179172 is about 8257.0680026266. The cubic root of 68179172 is about 408.5236851594.

The spelling of 68179172 in words is "sixty-eight million, one hundred seventy-nine thousand, one hundred seventy-two".