68172004 has 12 divisors (see below), whose sum is σ = 119532784. Its totient is φ = 34019784.

The previous prime is 68172001. The next prime is 68172029. The reversal of 68172004 is 40027186.

It is not an unprimeable number, because it can be changed into a prime (68172001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14202 + ... + 18385.

Almost surely, 2^68172004 is an apocalyptic number.

It is an amenable number.

68172004 is a deficient number, since it is larger than the sum of its proper divisors (51360780).

68172004 is a wasteful number, since it uses less digits than its factorization.

68172004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33114 (or 33112 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 68172004 is about 8256.6339388397. The cubic root of 68172004 is about 408.5093679795.

The spelling of 68172004 in words is "sixty-eight million, one hundred seventy-two thousand, four".