68717 has 4 divisors (see below), whose sum is σ = 74976. Its totient is φ = 62460.

The previous prime is 68713. The next prime is 68729. The reversal of 68717 is 71786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68717 - 2² = 68713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68717.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 68717.

It is not an unprimeable number, because it can be changed into a prime (68711) 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, 3113 + ... + 3134.

It is an arithmetic number, because the mean of its divisors is an integer number (18744).

2⁶⁸⁷¹⁷ is an apocalyptic number.

It is an amenable number.

68717 is a deficient number, since it is larger than the sum of its proper divisors (6259).

68717 is a wasteful number, since it uses less digits than its factorization.

68717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6258.

The product of its digits is 2352, while the sum is 29.

The square root of 68717 is about 262.1392759584. The cubic root of 68717 is about 40.9595079109.

The spelling of 68717 in words is "sixty-eight thousand, seven hundred seventeen".