68828928 has 216 divisors, whose sum is σ = 223695360. Its totient is φ = 18708480.

The previous prime is 68828867. The next prime is 68828933. The reversal of 68828928 is 82982886.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1166563 + ... + 1166621.

Almost surely, 2^68828928 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 68828928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111847680).

68828928 is an abundant number, since it is smaller than the sum of its proper divisors (154866432).

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

68828928 is a wasteful number, since it uses less digits than its factorization.

68828928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 102 counting only the distinct ones).

The product of its digits is 884736, while the sum is 51.

The square root of 68828928 is about 8296.3201481139. The cubic root of 68828928 is about 409.8173447743.

The spelling of 68828928 in words is "sixty-eight million, eight hundred twenty-eight thousand, nine hundred twenty-eight".