68268956 has 36 divisors (see below), whose sum is σ = 140767200. Its totient is φ = 28881216.

The previous prime is 68268953. The next prime is 68268961. The reversal of 68268956 is 65986286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68268953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13280 + ... + 17688.

It is an arithmetic number, because the mean of its divisors is an integer number (3910200).

Almost surely, 2^68268956 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 68268956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70383600).

68268956 is an abundant number, since it is smaller than the sum of its proper divisors (72498244).

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

68268956 is a wasteful number, since it uses less digits than its factorization.

68268956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506 (or 4497 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 68268956 is about 8262.5030105895. The cubic root of 68268956 is about 408.7029324800.

The spelling of 68268956 in words is "sixty-eight million, two hundred sixty-eight thousand, nine hundred fifty-six".