27500137 has 12 divisors (see below), whose sum is σ = 31969920. Its totient is φ = 23168808.

The previous prime is 27500129. The next prime is 27500159. The reversal of 27500137 is 73100572.

It is not a de Polignac number, because 27500137 - 2³ = 27500129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27500107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123208 + ... + 123430.

It is an arithmetic number, because the mean of its divisors is an integer number (2664160).

Almost surely, 2^27500137 is an apocalyptic number.

It is an amenable number.

27500137 is a deficient number, since it is larger than the sum of its proper divisors (4469783).

27500137 is an frugal number, since it uses more digits than its factorization.

27500137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 27500137 is about 5244.0573032720. The cubic root of 27500137 is about 301.8410380773.

The spelling of 27500137 in words is "twenty-seven million, five hundred thousand, one hundred thirty-seven".