68817 has 16 divisors (see below), whose sum is σ = 109440. Its totient is φ = 37632.

The previous prime is 68813. The next prime is 68819. The reversal of 68817 is 71886.

It is not a de Polignac number, because 68817 - 2² = 68813 is a prime.

It is a plaindrome in base 15.

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 68817.

It is not an unprimeable number, because it can be changed into a prime (68813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553 + ... + 665.

It is an arithmetic number, because the mean of its divisors is an integer number (6840).

2⁶⁸⁸¹⁷ is an apocalyptic number.

It is an amenable number.

68817 is a deficient number, since it is larger than the sum of its proper divisors (40623).

68817 is a wasteful number, since it uses less digits than its factorization.

68817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152.

The product of its digits is 2688, while the sum is 30.

The square root of 68817 is about 262.3299449167. The cubic root of 68817 is about 40.9793669730.

The spelling of 68817 in words is "sixty-eight thousand, eight hundred seventeen".