27439312 has 10 divisors (see below), whose sum is σ = 53163698. Its totient is φ = 13719648.

The previous prime is 27439301. The next prime is 27439327. The reversal of 27439312 is 21393472.

It can be written as a sum of positive squares in only one way, i.e., 26998416 + 440896 = 5196^2 + 664^2 .

It is a super-4 number, since 4×27439312⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 857463 + ... + 857494.

Almost surely, 2^27439312 is an apocalyptic number.

It is an amenable number.

27439312 is a deficient number, since it is larger than the sum of its proper divisors (25724386).

27439312 is a wasteful number, since it uses less digits than its factorization.

27439312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714965 (or 1714959 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 27439312 is about 5238.2546711667. The cubic root of 27439312 is about 301.6183357482.

The spelling of 27439312 in words is "twenty-seven million, four hundred thirty-nine thousand, three hundred twelve".