27140631 has 16 divisors (see below), whose sum is σ = 41433600. Its totient is φ = 15480288.

The previous prime is 27140609. The next prime is 27140651. The reversal of 27140631 is 13604172.

It is not a de Polignac number, because 27140631 - 2⁶ = 27140567 is a prime.

It is a super-2 number, since 2×27140631² = 1473227702156322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27140651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16630 + ... + 18188.

It is an arithmetic number, because the mean of its divisors is an integer number (2589600).

Almost surely, 2^27140631 is an apocalyptic number.

27140631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27140631 is a deficient number, since it is larger than the sum of its proper divisors (14292969).

27140631 is a wasteful number, since it uses less digits than its factorization.

27140631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 27140631 is about 5209.6670718962. The cubic root of 27140631 is about 300.5199538615.

The spelling of 27140631 in words is "twenty-seven million, one hundred forty thousand, six hundred thirty-one".