28674568 has 48 divisors (see below), whose sum is σ = 59028480. Its totient is φ = 13051584.

The previous prime is 28674523. The next prime is 28674587. The reversal of 28674568 is 86547682.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171621 + ... + 171787.

It is an arithmetic number, because the mean of its divisors is an integer number (1229760).

Almost surely, 2^28674568 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 28674568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29514240).

28674568 is an abundant number, since it is smaller than the sum of its proper divisors (30353912).

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

28674568 is a wasteful number, since it uses less digits than its factorization.

28674568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 309 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 28674568 is about 5354.8639571888. The cubic root of 28674568 is about 306.0781266331.

The spelling of 28674568 in words is "twenty-eight million, six hundred seventy-four thousand, five hundred sixty-eight".