27026980 has 24 divisors (see below), whose sum is σ = 56900088. Its totient is φ = 10783488.

The previous prime is 27026977. The next prime is 27027019. The reversal of 27026980 is 8962072.

It can be written as a sum of positive squares in 4 ways, for example, as 3290596 + 23736384 = 1814^2 + 4872^2 .

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 7 ways as a sum of consecutive naturals, for example, 7662 + ... + 10618.

It is an arithmetic number, because the mean of its divisors is an integer number (2370837).

Almost surely, 2^27026980 is an apocalyptic number.

27026980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27026980 is an abundant number, since it is smaller than the sum of its proper divisors (29873108).

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

27026980 is a wasteful number, since it uses less digits than its factorization.

27026980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423 (or 3421 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 27026980 is about 5198.7479261838. The cubic root of 27026980 is about 300.0998926604.

The spelling of 27026980 in words is "twenty-seven million, twenty-six thousand, nine hundred eighty".