27790336 has 44 divisors (see below), whose sum is σ = 63506128. Its totient is φ = 11907072.

The previous prime is 27790307. The next prime is 27790351. The reversal of 27790336 is 63309772.

It is a junction number, because it is equal to n+sod(n) for n = 27790295 and 27790304.

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, 5230 + ... + 9106.

Almost surely, 2^27790336 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 27790336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31753064).

27790336 is an abundant number, since it is smaller than the sum of its proper divisors (35715792).

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

27790336 is an equidigital number, since it uses as much as digits as its factorization.

27790336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904 (or 3886 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 27790336 is about 5271.6540098910. The cubic root of 27790336 is about 302.8990648710.

The spelling of 27790336 in words is "twenty-seven million, seven hundred ninety thousand, three hundred thirty-six".