68912 has 20 divisors (see below), whose sum is σ = 137640. Its totient is φ = 33408.

The previous prime is 68909. The next prime is 68917. The reversal of 68912 is 21986.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 9.

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, 908 + ... + 980.

It is an arithmetic number, because the mean of its divisors is an integer number (6882).

2⁶⁸⁹¹² is an apocalyptic number.

It is an amenable number.

68912 is a deficient number, since it is larger than the sum of its proper divisors (68728).

68912 is a wasteful number, since it uses less digits than its factorization.

68912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 68912 is about 262.5109521525. The cubic root of 68912 is about 40.9982152703.

Subtracting from 68912 its sum of digits (26), we obtain a palindrome (68886).

The spelling of 68912 in words is "sixty-eight thousand, nine hundred twelve".