27792090 has 24 divisors (see below), whose sum is σ = 72259668. Its totient is φ = 7411200.

The previous prime is 27792071. The next prime is 27792101. The reversal of 27792090 is 9029772.

It can be written as a sum of positive squares in 2 ways, for example, as 27783441 + 8649 = 5271^2 + 93^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154311 + ... + 154490.

Almost surely, 2^27792090 is an apocalyptic number.

27792090 is an abundant number, since it is smaller than the sum of its proper divisors (44467578).

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

27792090 is a wasteful number, since it uses less digits than its factorization.

27792090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308814 (or 308811 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 27792090 is about 5271.8203687152. The cubic root of 27792090 is about 302.9054372755.

The spelling of 27792090 in words is "twenty-seven million, seven hundred ninety-two thousand, ninety".