68907 has 8 divisors (see below), whose sum is σ = 93184. Its totient is φ = 45288.

The previous prime is 68903. The next prime is 68909. The reversal of 68907 is 70986.

It is a happy number.

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

It is not a de Polignac number, because 68907 - 2² = 68903 is a prime.

It is the 263-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68903) by changing a digit.

It is a nontrivial repunit in base 262.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198 + ... + 420.

It is an arithmetic number, because the mean of its divisors is an integer number (11648).

2⁶⁸⁹⁰⁷ is an apocalyptic number.

68907 is a deficient number, since it is larger than the sum of its proper divisors (24277).

68907 is a wasteful number, since it uses less digits than its factorization.

68907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 68907 is about 262.5014285675. The cubic root of 68907 is about 40.9972236867.

The spelling of 68907 in words is "sixty-eight thousand, nine hundred seven".