68855628 has 48 divisors (see below), whose sum is σ = 167096160. Its totient is φ = 22041600.

The previous prime is 68855623. The next prime is 68855659. The reversal of 68855628 is 82655886.

It is not an unprimeable number, because it can be changed into a prime (68855623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83458 + ... + 84278.

It is an arithmetic number, because the mean of its divisors is an integer number (3481170).

Almost surely, 2^68855628 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 68855628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83548080).

68855628 is an abundant number, since it is smaller than the sum of its proper divisors (98240532).

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

68855628 is a wasteful number, since it uses less digits than its factorization.

68855628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1096 counting only the distinct ones).

The product of its digits is 921600, while the sum is 48.

The square root of 68855628 is about 8297.9291392491. The cubic root of 68855628 is about 409.8703298047.

The spelling of 68855628 in words is "sixty-eight million, eight hundred fifty-five thousand, six hundred twenty-eight".