68667 has 8 divisors (see below), whose sum is σ = 93696. Its totient is φ = 44712.

The previous prime is 68659. The next prime is 68669. The reversal of 68667 is 76686.

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

It is not a de Polignac number, because 68667 - 2³ = 68659 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (68669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103 + ... + 384.

It is an arithmetic number, because the mean of its divisors is an integer number (11712).

2⁶⁸⁶⁶⁷ is an apocalyptic number.

68667 is a deficient number, since it is larger than the sum of its proper divisors (25029).

68667 is a wasteful number, since it uses less digits than its factorization.

68667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its digits is 12096, while the sum is 33.

The square root of 68667 is about 262.0438894537. The cubic root of 68667 is about 40.9495711542.

The spelling of 68667 in words is "sixty-eight thousand, six hundred sixty-seven".