68112017 has 8 divisors (see below), whose sum is σ = 71772960. Its totient is φ = 64458720.

The previous prime is 68112007. The next prime is 68112061. The reversal of 68112017 is 71021186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68112017 - 2⁴ = 68112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68112007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31658 + ... + 33740.

It is an arithmetic number, because the mean of its divisors is an integer number (8971620).

Almost surely, 2^68112017 is an apocalyptic number.

It is an amenable number.

68112017 is a deficient number, since it is larger than the sum of its proper divisors (3660943).

68112017 is a wasteful number, since it uses less digits than its factorization.

68112017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 68112017 is about 8253.0004846722. Note that the first 3 decimals coincide. The cubic root of 68112017 is about 408.3895121187.

The spelling of 68112017 in words is "sixty-eight million, one hundred twelve thousand, seventeen".