27090380 has 24 divisors (see below), whose sum is σ = 57310848. Its totient is φ = 10755968.

The previous prime is 27090361. The next prime is 27090383. The reversal of 27090380 is 8309072.

It is not an unprimeable number, because it can be changed into a prime (27090383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2204 + ... + 7683.

It is an arithmetic number, because the mean of its divisors is an integer number (2387952).

Almost surely, 2^27090380 is an apocalyptic number.

27090380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27090380 is an abundant number, since it is smaller than the sum of its proper divisors (30220468).

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

27090380 is a wasteful number, since it uses less digits than its factorization.

27090380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033 (or 10031 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 27090380 is about 5204.8419764677. The cubic root of 27090380 is about 300.3343679292.

The spelling of 27090380 in words is "twenty-seven million, ninety thousand, three hundred eighty".