27005244 has 48 divisors (see below), whose sum is σ = 73248000. Its totient is φ = 7583616.

The previous prime is 27005233. The next prime is 27005263. The reversal of 27005244 is 44250072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2232 + ... + 7680.

It is an arithmetic number, because the mean of its divisors is an integer number (1526000).

Almost surely, 2^27005244 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 27005244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36624000).

27005244 is an abundant number, since it is smaller than the sum of its proper divisors (46242756).

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

27005244 is a wasteful number, since it uses less digits than its factorization.

27005244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 27005244 is about 5196.6570023429. The cubic root of 27005244 is about 300.0194209649.

The spelling of 27005244 in words is "twenty-seven million, five thousand, two hundred forty-four".