68866 has 8 divisors (see below), whose sum is σ = 118080. Its totient is φ = 29508.

The previous prime is 68863. The next prime is 68879. The reversal of 68866 is 66886.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (68863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2446 + ... + 2473.

It is an arithmetic number, because the mean of its divisors is an integer number (14760).

2⁶⁸⁸⁶⁶ is an apocalyptic number.

68866 is a deficient number, since it is larger than the sum of its proper divisors (49214).

68866 is a wasteful number, since it uses less digits than its factorization.

68866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928.

The product of its digits is 13824, while the sum is 34.

The square root of 68866 is about 262.4233221343. The cubic root of 68866 is about 40.9890908910.

The spelling of 68866 in words is "sixty-eight thousand, eight hundred sixty-six".