27321872 has 10 divisors (see below), whose sum is σ = 52936158. Its totient is φ = 13660928.

The previous prime is 27321869. The next prime is 27321887. The reversal of 27321872 is 27812372.

It can be written as a sum of positive squares in only one way, i.e., 21864976 + 5456896 = 4676^2 + 2336^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 853793 + ... + 853824.

Almost surely, 2^27321872 is an apocalyptic number.

It is an amenable number.

27321872 is a deficient number, since it is larger than the sum of its proper divisors (25614286).

27321872 is a wasteful number, since it uses less digits than its factorization.

27321872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707625 (or 1707619 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 27321872 is about 5227.0328103045. The cubic root of 27321872 is about 301.1874124897.

The spelling of 27321872 in words is "twenty-seven million, three hundred twenty-one thousand, eight hundred seventy-two".