27716992 has 32 divisors (see below), whose sum is σ = 55936800. Its totient is φ = 13678080.

The previous prime is 27716989. The next prime is 27716993. The reversal of 27716992 is 29961772.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27716993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8742 + ... + 11482.

It is an arithmetic number, because the mean of its divisors is an integer number (1748025).

Almost surely, 2^27716992 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 27716992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27968400).

27716992 is an abundant number, since it is smaller than the sum of its proper divisors (28219808).

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

27716992 is an equidigital number, since it uses as much as digits as its factorization.

27716992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834 (or 2822 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 27716992 is about 5264.6929635070. The cubic root of 27716992 is about 302.6323606270.

The spelling of 27716992 in words is "twenty-seven million, seven hundred sixteen thousand, nine hundred ninety-two".