27342138 has 16 divisors (see below), whose sum is σ = 55196640. Its totient is φ = 9028656.

The previous prime is 27342127. The next prime is 27342151. The reversal of 27342138 is 83124372.

It is a super-2 number, since 2×27342138² = 1495185020822088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20653 + ... + 21936.

It is an arithmetic number, because the mean of its divisors is an integer number (3449790).

Almost surely, 2^27342138 is an apocalyptic number.

27342138 is an abundant number, since it is smaller than the sum of its proper divisors (27854502).

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

27342138 is a wasteful number, since it uses less digits than its factorization.

27342138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42701.

The product of its digits is 8064, while the sum is 30.

The square root of 27342138 is about 5228.9710268847. The cubic root of 27342138 is about 301.2618626780.

The spelling of 27342138 in words is "twenty-seven million, three hundred forty-two thousand, one hundred thirty-eight".