27872631 has 6 divisors (see below), whose sum is σ = 40260480. Its totient is φ = 18581748.

The previous prime is 27872629. The next prime is 27872633. The reversal of 27872631 is 13627872.

It is an interprime number because it is at equal distance from previous prime (27872629) and next prime (27872633).

It is not a de Polignac number, because 27872631 - 2¹ = 27872629 is a prime.

It is a super-2 number, since 2×27872631² = 1553767117724322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27872633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1548471 + ... + 1548488.

It is an arithmetic number, because the mean of its divisors is an integer number (6710080).

Almost surely, 2^27872631 is an apocalyptic number.

27872631 is a deficient number, since it is larger than the sum of its proper divisors (12387849).

27872631 is a wasteful number, since it uses less digits than its factorization.

27872631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096965 (or 3096962 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 27872631 is about 5279.4536649165. The cubic root of 27872631 is about 303.1977599951.

The spelling of 27872631 in words is "twenty-seven million, eight hundred seventy-two thousand, six hundred thirty-one".