27970992 has 60 divisors (see below), whose sum is σ = 89466000. Its totient is φ = 7991424.

The previous prime is 27970981. The next prime is 27971011. The reversal of 27970992 is 29907972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12867 + ... + 14882.

It is an arithmetic number, because the mean of its divisors is an integer number (1491100).

Almost surely, 2^27970992 is an apocalyptic number.

It is an amenable number.

27970992 is an abundant number, since it is smaller than the sum of its proper divisors (61495008).

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

27970992 is a wasteful number, since it uses less digits than its factorization.

27970992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27770 (or 27761 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 27970992 is about 5288.7609134844. The cubic root of 27970992 is about 303.5539974147.

The spelling of 27970992 in words is "twenty-seven million, nine hundred seventy thousand, nine hundred ninety-two".