27422856 has 48 divisors (see below), whose sum is σ = 74880000. Its totient is φ = 9065952.

The previous prime is 27422849. The next prime is 27422861. The reversal of 27422856 is 65822472.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 27422856.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7645 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (1560000).

Almost surely, 2^27422856 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 27422856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37440000).

27422856 is an abundant number, since it is smaller than the sum of its proper divisors (47457144).

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

27422856 is a wasteful number, since it uses less digits than its factorization.

27422856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138 (or 3131 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 27422856 is about 5236.6836834012. The cubic root of 27422856 is about 301.5580278235.

The spelling of 27422856 in words is "twenty-seven million, four hundred twenty-two thousand, eight hundred fifty-six".