27081872 has 20 divisors (see below), whose sum is σ = 52810236. Its totient is φ = 13453440.

The previous prime is 27081863. The next prime is 27081877. The reversal of 27081872 is 27818072.

It can be written as a sum of positive squares in 2 ways, for example, as 7862416 + 19219456 = 2804^2 + 4384^2 .

It is not an unprimeable number, because it can be changed into a prime (27081877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2879 + ... + 7902.

Almost surely, 2^27081872 is an apocalyptic number.

It is an amenable number.

27081872 is a deficient number, since it is larger than the sum of its proper divisors (25728364).

27081872 is a wasteful number, since it uses less digits than its factorization.

27081872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10946 (or 10940 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 27081872 is about 5204.0245964061. The cubic root of 27081872 is about 300.3029236509.

The spelling of 27081872 in words is "twenty-seven million, eighty-one thousand, eight hundred seventy-two".