68944 has 20 divisors (see below), whose sum is σ = 138880. Its totient is φ = 33120.

The previous prime is 68927. The next prime is 68947. The reversal of 68944 is 44986.

68944 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427 + ... + 565.

It is an arithmetic number, because the mean of its divisors is an integer number (6944).

2⁶⁸⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69440).

68944 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68944 is a wasteful number, since it uses less digits than its factorization.

68944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 172 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 68944 is about 262.5718949164. The cubic root of 68944 is about 41.0045602701.

The spelling of 68944 in words is "sixty-eight thousand, nine hundred forty-four".