27328668 has 12 divisors (see below), whose sum is σ = 63766920. Its totient is φ = 9109552.

The previous prime is 27328649. The next prime is 27328687. The reversal of 27328668 is 86682372.

It is an interprime number because it is at equal distance from previous prime (27328649) and next prime (27328687).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138683 + ... + 1138706.

It is an arithmetic number, because the mean of its divisors is an integer number (5313910).

Almost surely, 2^27328668 is an apocalyptic number.

It is an amenable number.

27328668 is an abundant number, since it is smaller than the sum of its proper divisors (36438252).

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

27328668 is a wasteful number, since it uses less digits than its factorization.

27328668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277396 (or 2277394 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 27328668 is about 5227.6828518953. The cubic root of 27328668 is about 301.2123827159.

The spelling of 27328668 in words is "twenty-seven million, three hundred twenty-eight thousand, six hundred sixty-eight".