27380868 has 12 divisors (see below), whose sum is σ = 63888720. Its totient is φ = 9126952.

The previous prime is 27380839. The next prime is 27380923. The reversal of 27380868 is 86808372.

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

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, 1140858 + ... + 1140881.

It is an arithmetic number, because the mean of its divisors is an integer number (5324060).

Almost surely, 2^27380868 is an apocalyptic number.

It is an amenable number.

27380868 is an abundant number, since it is smaller than the sum of its proper divisors (36507852).

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

27380868 is a wasteful number, since it uses less digits than its factorization.

27380868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281746 (or 2281744 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 27380868 is about 5232.6731218374. The cubic root of 27380868 is about 301.4040408685.

The spelling of 27380868 in words is "twenty-seven million, three hundred eighty thousand, eight hundred sixty-eight".