27149992 has 16 divisors (see below), whose sum is σ = 51867540. Its totient is φ = 13318656.

The previous prime is 27149981. The next prime is 27150001. The reversal of 27149992 is 29994172.

It can be written as a sum of positive squares in 2 ways, for example, as 22714756 + 4435236 = 4766^2 + 2106^2 .

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, 31593 + ... + 32440.

Almost surely, 2^27149992 is an apocalyptic number.

It is an amenable number.

27149992 is a deficient number, since it is larger than the sum of its proper divisors (24717548).

27149992 is a wasteful number, since it uses less digits than its factorization.

27149992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64092 (or 64088 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 27149992 is about 5210.5654203743. The cubic root of 27149992 is about 300.5545003922.

The spelling of 27149992 in words is "twenty-seven million, one hundred forty-nine thousand, nine hundred ninety-two".