68799 has 16 divisors (see below), whose sum is σ = 103680. Its totient is φ = 40320.

The previous prime is 68791. The next prime is 68813. The reversal of 68799 is 99786.

It is not a de Polignac number, because 68799 - 2³ = 68791 is a prime.

It is an Ulam number.

68799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934 + ... + 1004.

It is an arithmetic number, because the mean of its divisors is an integer number (6480).

2⁶⁸⁷⁹⁹ is an apocalyptic number.

68799 is a deficient number, since it is larger than the sum of its proper divisors (34881).

68799 is a wasteful number, since it uses less digits than its factorization.

68799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110.

The product of its digits is 27216, while the sum is 39.

The square root of 68799 is about 262.2956347330. The cubic root of 68799 is about 40.9757937623.

The spelling of 68799 in words is "sixty-eight thousand, seven hundred ninety-nine".