27994372 has 48 divisors (see below), whose sum is σ = 59633280. Its totient is φ = 11232000.

The previous prime is 27994339. The next prime is 27994387. The reversal of 27994372 is 27349972.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53472 + ... + 53992.

It is an arithmetic number, because the mean of its divisors is an integer number (1242360).

Almost surely, 2^27994372 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 27994372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29816640).

27994372 is an abundant number, since it is smaller than the sum of its proper divisors (31638908).

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

27994372 is a wasteful number, since it uses less digits than its factorization.

27994372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 650 counting only the distinct ones).

The product of its digits is 190512, while the sum is 43.

The square root of 27994372 is about 5290.9707993902. The cubic root of 27994372 is about 303.6385506782.

The spelling of 27994372 in words is "twenty-seven million, nine hundred ninety-four thousand, three hundred seventy-two".