27945204 has 48 divisors (see below), whose sum is σ = 75938688. Its totient is φ = 7832448.

The previous prime is 27945193. The next prime is 27945217. The reversal of 27945204 is 40254972.

It is a congruent number.

It is an unprimeable number.

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, 1314 + ... + 7590.

It is an arithmetic number, because the mean of its divisors is an integer number (1582056).

Almost surely, 2^27945204 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 27945204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37969344).

27945204 is an abundant number, since it is smaller than the sum of its proper divisors (47993484).

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

27945204 is a wasteful number, since it uses less digits than its factorization.

27945204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344 (or 6342 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 27945204 is about 5286.3223511246. The cubic root of 27945204 is about 303.4606810077.

The spelling of 27945204 in words is "twenty-seven million, nine hundred forty-five thousand, two hundred four".