27683328 has 80 divisors (see below), whose sum is σ = 75129120. Its totient is φ = 9056256.

The previous prime is 27683321. The next prime is 27683347. The reversal of 27683328 is 82338672.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27683321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102778 + ... + 103046.

It is an arithmetic number, because the mean of its divisors is an integer number (939114).

Almost surely, 2^27683328 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 27683328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37564560).

27683328 is an abundant number, since it is smaller than the sum of its proper divisors (47445792).

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

27683328 is an equidigital number, since it uses as much as digits as its factorization.

27683328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 341 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 27683328 is about 5261.4948446235. The cubic root of 27683328 is about 302.5097890874.

The spelling of 27683328 in words is "twenty-seven million, six hundred eighty-three thousand, three hundred twenty-eight".