27676928 has 36 divisors (see below), whose sum is σ = 56040348. Its totient is φ = 13639680.

The previous prime is 27676921. The next prime is 27676949. The reversal of 27676928 is 82967672.

It can be written as a sum of positive squares in 2 ways, for example, as 13778944 + 13897984 = 3712^2 + 3728^2 .

It is not an unprimeable number, because it can be changed into a prime (27676921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17948 + ... + 19428.

Almost surely, 2^27676928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27676928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28020174).

27676928 is an abundant number, since it is smaller than the sum of its proper divisors (28363420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27676928 is an equidigital number, since it uses as much as digits as its factorization.

27676928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1556 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 27676928 is about 5260.8866172918. The cubic root of 27676928 is about 302.4864752736.

The spelling of 27676928 in words is "twenty-seven million, six hundred seventy-six thousand, nine hundred twenty-eight".