27725484 has 48 divisors (see below), whose sum is σ = 68499200. Its totient is φ = 8703936.

The previous prime is 27725483. The next prime is 27725491. The reversal of 27725484 is 48452772.

It is not an unprimeable number, because it can be changed into a prime (27725483) 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 15 ways as a sum of consecutive naturals, for example, 62937 + ... + 63375.

Almost surely, 2^27725484 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 27725484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34249600).

27725484 is an abundant number, since it is smaller than the sum of its proper divisors (40773716).

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

27725484 is a wasteful number, since it uses less digits than its factorization.

27725484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 740 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 27725484 is about 5265.4994065141. The cubic root of 27725484 is about 302.6632645528.

It can be divided in two parts, 2772 and 5484, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 27725484 in words is "twenty-seven million, seven hundred twenty-five thousand, four hundred eighty-four".