27009380 has 12 divisors (see below), whose sum is σ = 56719740. Its totient is φ = 10803744.

The previous prime is 27009377. The next prime is 27009391. The reversal of 27009380 is 8390072.

It can be written as a sum of positive squares in 2 ways, for example, as 21325924 + 5683456 = 4618^2 + 2384^2 .

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, 675215 + ... + 675254.

It is an arithmetic number, because the mean of its divisors is an integer number (4726645).

Almost surely, 2^27009380 is an apocalyptic number.

27009380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27009380 is an abundant number, since it is smaller than the sum of its proper divisors (29710360).

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

27009380 is a wasteful number, since it uses less digits than its factorization.

27009380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350478 (or 1350476 counting only the distinct ones).

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

The square root of 27009380 is about 5197.0549352494. The cubic root of 27009380 is about 300.0347367185.

The spelling of 27009380 in words is "twenty-seven million, nine thousand, three hundred eighty".