68918 has 8 divisors (see below), whose sum is σ = 109512. Its totient is φ = 32416.

The previous prime is 68917. The next prime is 68927. The reversal of 68918 is 81986.

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

68918 is a modest number, since divided by 918 gives 68 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68917) 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, 980 + ... + 1047.

It is an arithmetic number, because the mean of its divisors is an integer number (13689).

2⁶⁸⁹¹⁸ is an apocalyptic number.

68918 is a deficient number, since it is larger than the sum of its proper divisors (40594).

68918 is a wasteful number, since it uses less digits than its factorization.

68918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its digits is 3456, while the sum is 32.

The square root of 68918 is about 262.5223799984. The cubic root of 68918 is about 40.9994051074. Note that the first 3 decimals are identical.

Subtracting from 68918 its sum of digits (32), we obtain a palindrome (68886).

It can be divided in two parts, 689 and 18, that added together give a palindrome (707).

The spelling of 68918 in words is "sixty-eight thousand, nine hundred eighteen".