27492138 has 24 divisors (see below), whose sum is σ = 59876388. Its totient is φ = 9116352.

The previous prime is 27492121. The next prime is 27492149. The reversal of 27492138 is 83129472.

It can be written as a sum of positive squares in 2 ways, for example, as 16621929 + 10870209 = 4077^2 + 3297^2 .

It is a super-2 number, since 2×27492138² = 1511635303622088, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331 + ... + 7422.

Almost surely, 2^27492138 is an apocalyptic number.

27492138 is an abundant number, since it is smaller than the sum of its proper divisors (32384250).

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

27492138 is a wasteful number, since it uses less digits than its factorization.

27492138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958 (or 7955 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 27492138 is about 5243.2945749786. The cubic root of 27492138 is about 301.8117696098.

The spelling of 27492138 in words is "twenty-seven million, four hundred ninety-two thousand, one hundred thirty-eight".