28708068 has 24 divisors (see below), whose sum is σ = 67080160. Its totient is φ = 9555840.

The previous prime is 28708051. The next prime is 28708073. The reversal of 28708068 is 86080782.

It is a congruent number.

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, 10923 + ... + 13293.

Almost surely, 2^28708068 is an apocalyptic number.

It is an amenable number.

28708068 is an abundant number, since it is smaller than the sum of its proper divisors (38372092).

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

28708068 is a wasteful number, since it uses less digits than its factorization.

28708068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 28708068 is about 5357.9910414259. The cubic root of 28708068 is about 306.1972754993.

The spelling of 28708068 in words is "twenty-eight million, seven hundred eight thousand, sixty-eight".