68966 has 4 divisors (see below), whose sum is σ = 103452. Its totient is φ = 34482.

The previous prime is 68963. The next prime is 68993. The reversal of 68966 is 66986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66986 = 2 ⋅33493.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17240 + ... + 17243.

It is an arithmetic number, because the mean of its divisors is an integer number (25863).

2⁶⁸⁹⁶⁶ is an apocalyptic number.

68966 is a deficient number, since it is larger than the sum of its proper divisors (34486).

68966 is a wasteful number, since it uses less digits than its factorization.

68966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34485.

The product of its digits is 15552, while the sum is 35.

The square root of 68966 is about 262.6137848629. The cubic root of 68966 is about 41.0089213186.

The spelling of 68966 in words is "sixty-eight thousand, nine hundred sixty-six".