27028312 has 16 divisors (see below), whose sum is σ = 52881840. Its totient is φ = 12926496.

The previous prime is 27028303. The next prime is 27028361. The reversal of 27028312 is 21382072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73263 + ... + 73630.

It is an arithmetic number, because the mean of its divisors is an integer number (3305115).

Almost surely, 2^27028312 is an apocalyptic number.

It is an amenable number.

27028312 is a deficient number, since it is larger than the sum of its proper divisors (25853528).

27028312 is a wasteful number, since it uses less digits than its factorization.

27028312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146922 (or 146918 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 27028312 is about 5198.8760323747. The cubic root of 27028312 is about 300.1048226290.

It can be divided in two parts, 270 and 28312, that added together give a palindrome (28582).

The spelling of 27028312 in words is "twenty-seven million, twenty-eight thousand, three hundred twelve".