68562256 has 40 divisors (see below), whose sum is σ = 153008064. Its totient is φ = 29153280.

The previous prime is 68562251. The next prime is 68562281. The reversal of 68562256 is 65226586.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68562251) 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, 12336 + ... + 17008.

Almost surely, 2^68562256 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 68562256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76504032).

68562256 is an abundant number, since it is smaller than the sum of its proper divisors (84445808).

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

68562256 is a wasteful number, since it uses less digits than its factorization.

68562256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819 (or 4813 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 68562256 is about 8280.2328469675. The cubic root of 68562256 is about 409.2873919398.

The spelling of 68562256 in words is "sixty-eight million, five hundred sixty-two thousand, two hundred fifty-six".