27227472 has 80 divisors (see below), whose sum is σ = 75834432. Its totient is φ = 8386560.

The previous prime is 27227441. The next prime is 27227477. The reversal of 27227472 is 27472272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27227477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49503 + ... + 50049.

Almost surely, 2^27227472 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 27227472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37917216).

27227472 is an abundant number, since it is smaller than the sum of its proper divisors (48606960).

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

27227472 is a wasteful number, since it uses less digits than its factorization.

27227472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 630 counting only the distinct ones).

The product of its digits is 21952, while the sum is 33.

The square root of 27227472 is about 5217.9950172456. The cubic root of 27227472 is about 300.8401339425.

The spelling of 27227472 in words is "twenty-seven million, two hundred twenty-seven thousand, four hundred seventy-two".