27402137 has 16 divisors (see below), whose sum is σ = 32609280. Its totient is φ = 22537872.

The previous prime is 27402119. The next prime is 27402149. The reversal of 27402137 is 73120472.

It is not a de Polignac number, because 27402137 - 2⁶ = 27402073 is a prime.

It is a super-2 number, since 2×27402137² = 1501754224333538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27402107) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16988 + ... + 18530.

It is an arithmetic number, because the mean of its divisors is an integer number (2038080).

Almost surely, 2^27402137 is an apocalyptic number.

It is an amenable number.

27402137 is a deficient number, since it is larger than the sum of its proper divisors (5207143).

27402137 is a wasteful number, since it uses less digits than its factorization.

27402137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 27402137 is about 5234.7050537733. The cubic root of 27402137 is about 301.4820625415.

The spelling of 27402137 in words is "twenty-seven million, four hundred two thousand, one hundred thirty-seven".