27922736 has 30 divisors (see below), whose sum is σ = 56571900. Its totient is φ = 13350304.

The previous prime is 27922729. The next prime is 27922751. The reversal of 27922736 is 63722972.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27922736.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6815 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (1885730).

Almost surely, 2^27922736 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 27922736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28285950).

27922736 is an abundant number, since it is smaller than the sum of its proper divisors (28649164).

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

27922736 is a wasteful number, since it uses less digits than its factorization.

27922736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353 (or 3324 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 27922736 is about 5284.1968169250. The cubic root of 27922736 is about 303.3793315369.

The spelling of 27922736 in words is "twenty-seven million, nine hundred twenty-two thousand, seven hundred thirty-six".