68517 has 12 divisors (see below), whose sum is σ = 103584. Its totient is φ = 43560.

The previous prime is 68507. The next prime is 68521. The reversal of 68517 is 71586.

It is not a de Polignac number, because 68517 - 2⁴ = 68501 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42 + ... + 372.

It is an arithmetic number, because the mean of its divisors is an integer number (8632).

2⁶⁸⁵¹⁷ is an apocalyptic number.

It is an amenable number.

68517 is a deficient number, since it is larger than the sum of its proper divisors (35067).

68517 is a wasteful number, since it uses less digits than its factorization.

68517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 357 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 68517 is about 261.7575213819. The cubic root of 68517 is about 40.9197319120.

It can be divided in two parts, 68 and 517, that added together give a palindrome (585).

The spelling of 68517 in words is "sixty-eight thousand, five hundred seventeen".