28068568 has 32 divisors (see below), whose sum is σ = 57620160. Its totient is φ = 12712480.

The previous prime is 28068563. The next prime is 28068583. The reversal of 28068568 is 86586082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28068563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40755 + ... + 41437.

It is an arithmetic number, because the mean of its divisors is an integer number (1800630).

Almost surely, 2^28068568 is an apocalyptic number.

It is an amenable number.

28068568 is an abundant number, since it is smaller than the sum of its proper divisors (29551592).

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

28068568 is a wasteful number, since it uses less digits than its factorization.

28068568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 28068568 is about 5297.9777273975. The cubic root of 28068568 is about 303.9065675475.

The spelling of 28068568 in words is "twenty-eight million, sixty-eight thousand, five hundred sixty-eight".