27113631 has 8 divisors (see below), whose sum is σ = 36180144. Its totient is φ = 18061440.

The previous prime is 27113629. The next prime is 27113633. The reversal of 27113631 is 13631172.

It is an interprime number because it is at equal distance from previous prime (27113629) and next prime (27113633).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27113631 - 2¹ = 27113629 is a prime.

It is a super-2 number, since 2×27113631² = 1470297972008322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27113633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151 + ... + 7671.

It is an arithmetic number, because the mean of its divisors is an integer number (4522518).

Almost surely, 2^27113631 is an apocalyptic number.

27113631 is a deficient number, since it is larger than the sum of its proper divisors (9066513).

27113631 is a wasteful number, since it uses less digits than its factorization.

27113631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161.

The product of its digits is 756, while the sum is 24.

The square root of 27113631 is about 5207.0750906819. The cubic root of 27113631 is about 300.4202665341.

The spelling of 27113631 in words is "twenty-seven million, one hundred thirteen thousand, six hundred thirty-one".