68725056 has 56 divisors (see below), whose sum is σ = 182660544. Its totient is φ = 22804480.

The previous prime is 68725043. The next prime is 68725057. The reversal of 68725056 is 65052786.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68725057) 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, 49816 + ... + 51176.

Almost surely, 2^68725056 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 68725056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91330272).

68725056 is an abundant number, since it is smaller than the sum of its proper divisors (113935488).

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

68725056 is a wasteful number, since it uses less digits than its factorization.

68725056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 68725056 is about 8290.0576596306. The cubic root of 68725056 is about 409.6110847016.

The spelling of 68725056 in words is "sixty-eight million, seven hundred twenty-five thousand, fifty-six".