27731248 has 20 divisors (see below), whose sum is σ = 53911728. Its totient is φ = 13818560.

The previous prime is 27731227. The next prime is 27731257. The reversal of 27731248 is 84213772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190 + ... + 7762.

Almost surely, 2^27731248 is an apocalyptic number.

It is an amenable number.

27731248 is a deficient number, since it is larger than the sum of its proper divisors (26180480).

27731248 is a wasteful number, since it uses less digits than its factorization.

27731248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892 (or 5886 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 27731248 is about 5266.0467145668. The cubic root of 27731248 is about 302.6842371975.

The spelling of 27731248 in words is "twenty-seven million, seven hundred thirty-one thousand, two hundred forty-eight".