27472928 has 48 divisors (see below), whose sum is σ = 63100800. Its totient is φ = 11769408.

The previous prime is 27472903. The next prime is 27472943. The reversal of 27472928 is 82927472.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9725 + ... + 12227.

It is an arithmetic number, because the mean of its divisors is an integer number (1314600).

Almost surely, 2^27472928 is an apocalyptic number.

27472928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27472928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31550400).

27472928 is an abundant number, since it is smaller than the sum of its proper divisors (35627872).

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

27472928 is an equidigital number, since it uses as much as digits as its factorization.

27472928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534 (or 2512 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 27472928 is about 5241.4623913561. The cubic root of 27472928 is about 301.7414567199.

The spelling of 27472928 in words is "twenty-seven million, four hundred seventy-two thousand, nine hundred twenty-eight".