68892928 has 72 divisors (see below), whose sum is σ = 150176768. Its totient is φ = 31352832.

The previous prime is 68892919. The next prime is 68892931. The reversal of 68892928 is 82929886.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422575 + ... + 422737.

Almost surely, 2^68892928 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 68892928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75088384).

68892928 is an abundant number, since it is smaller than the sum of its proper divisors (81283840).

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

68892928 is a wasteful number, since it uses less digits than its factorization.

68892928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 305 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The square root of 68892928 is about 8300.1763836680. The cubic root of 68892928 is about 409.9443271621.

Subtracting from 68892928 its product of digits (995328), we obtain a square (67897600 = 8240²).

The spelling of 68892928 in words is "sixty-eight million, eight hundred ninety-two thousand, nine hundred twenty-eight".