27890732 has 6 divisors (see below), whose sum is σ = 48808788. Its totient is φ = 13945364.

The previous prime is 27890683. The next prime is 27890741. The reversal of 27890732 is 23709872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3486338 + ... + 3486345.

It is an arithmetic number, because the mean of its divisors is an integer number (8134798).

Almost surely, 2^27890732 is an apocalyptic number.

It is an amenable number.

27890732 is a deficient number, since it is larger than the sum of its proper divisors (20918056).

27890732 is a wasteful number, since it uses less digits than its factorization.

27890732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972687 (or 6972685 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 27890732 is about 5281.1676739145. The cubic root of 27890732 is about 303.2633798624.

The spelling of 27890732 in words is "twenty-seven million, eight hundred ninety thousand, seven hundred thirty-two".