27990692 has 12 divisors (see below), whose sum is σ = 49029120. Its totient is φ = 13982376.

The previous prime is 27990679. The next prime is 27990707. The reversal of 27990692 is 29609972.

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, 2909 + ... + 8027.

It is an arithmetic number, because the mean of its divisors is an integer number (4085760).

Almost surely, 2^27990692 is an apocalyptic number.

It is an amenable number.

27990692 is a deficient number, since it is larger than the sum of its proper divisors (21038428).

27990692 is a wasteful number, since it uses less digits than its factorization.

27990692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490 (or 6488 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 27990692 is about 5290.6230256937. The cubic root of 27990692 is about 303.6252451605.

It can be divided in two parts, 27990 and 692, that added together give a palindrome (28682).

The spelling of 27990692 in words is "twenty-seven million, nine hundred ninety thousand, six hundred ninety-two".