27727842 has 8 divisors (see below), whose sum is σ = 55455696. Its totient is φ = 9242612.

The previous prime is 27727831. The next prime is 27727871. The reversal of 27727842 is 24872772.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

27727842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 27727842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310648 + ... + 2310659.

It is an arithmetic number, because the mean of its divisors is an integer number (6931962).

Almost surely, 2^27727842 is an apocalyptic number.

27727842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27727842 is a wasteful number, since it uses less digits than its factorization.

27727842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621312.

The product of its digits is 87808, while the sum is 39.

The square root of 27727842 is about 5265.7233121386. The cubic root of 27727842 is about 302.6718446224.

The spelling of 27727842 in words is "twenty-seven million, seven hundred twenty-seven thousand, eight hundred forty-two".