27728476 has 12 divisors (see below), whose sum is σ = 48794200. Its totient is φ = 13787280.

The previous prime is 27728473. The next prime is 27728509. The reversal of 27728476 is 67482772.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27728473) by changing a digit.

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, 18426 + ... + 19873.

Almost surely, 2^27728476 is an apocalyptic number.

It is an amenable number.

27728476 is a deficient number, since it is larger than the sum of its proper divisors (21065724).

27728476 is a wasteful number, since it uses less digits than its factorization.

27728476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38484 (or 38482 counting only the distinct ones).

The product of its digits is 263424, while the sum is 43.

The square root of 27728476 is about 5265.7835124509. The cubic root of 27728476 is about 302.6741514792.

The spelling of 27728476 in words is "twenty-seven million, seven hundred twenty-eight thousand, four hundred seventy-six".