68268 has 12 divisors (see below), whose sum is σ = 159320. Its totient is φ = 22752.

The previous prime is 68261. The next prime is 68279. The reversal of 68268 is 86286.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68261) by changing a digit.

68268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2833 + ... + 2856.

2⁶⁸²⁶⁸ is an apocalyptic number.

It is an amenable number.

68268 is an abundant number, since it is smaller than the sum of its proper divisors (91052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79660).

68268 is a wasteful number, since it uses less digits than its factorization.

68268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696 (or 5694 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 68268 is about 261.2814574362. The cubic root of 68268 is about 40.8701024723.

The spelling of 68268 in words is "sixty-eight thousand, two hundred sixty-eight".