27036891 has 48 divisors (see below), whose sum is σ = 47683584. Its totient is φ = 14427072.

The previous prime is 27036887. The next prime is 27036901. The reversal of 27036891 is 19863072.

It is not a de Polignac number, because 27036891 - 2² = 27036887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27036811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67905 + ... + 68301.

It is an arithmetic number, because the mean of its divisors is an integer number (993408).

Almost surely, 2^27036891 is an apocalyptic number.

27036891 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27036891 is a deficient number, since it is larger than the sum of its proper divisors (20646693).

27036891 is a wasteful number, since it uses less digits than its factorization.

27036891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 27036891 is about 5199.7010490989. The cubic root of 27036891 is about 300.1365711516.

The spelling of 27036891 in words is "twenty-seven million, thirty-six thousand, eight hundred ninety-one".