27813232 has 10 divisors (see below), whose sum is σ = 53888168. Its totient is φ = 13906608.

The previous prime is 27813221. The next prime is 27813239. The reversal of 27813232 is 23231872.

It is a self number, because there is not a number n which added to its sum of digits gives 27813232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27813239) by changing a digit.

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 as a sum of consecutive naturals, namely, 869148 + ... + 869179.

Almost surely, 2^27813232 is an apocalyptic number.

It is an amenable number.

27813232 is a deficient number, since it is larger than the sum of its proper divisors (26074936).

27813232 is a wasteful number, since it uses less digits than its factorization.

27813232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738335 (or 1738329 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 27813232 is about 5273.8251772314. The cubic root of 27813232 is about 302.9822265532.

The spelling of 27813232 in words is "twenty-seven million, eight hundred thirteen thousand, two hundred thirty-two".