27065380 has 12 divisors (see below), whose sum is σ = 56837340. Its totient is φ = 10826144.

The previous prime is 27065347. The next prime is 27065383. The reversal of 27065380 is 8356072.

It can be written as a sum of positive squares in 2 ways, for example, as 20593444 + 6471936 = 4538^2 + 2544^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27065383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676615 + ... + 676654.

It is an arithmetic number, because the mean of its divisors is an integer number (4736445).

Almost surely, 2^27065380 is an apocalyptic number.

27065380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27065380 is an abundant number, since it is smaller than the sum of its proper divisors (29771960).

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

27065380 is a wasteful number, since it uses less digits than its factorization.

27065380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353278 (or 1353276 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 27065380 is about 5202.4398122419. The cubic root of 27065380 is about 300.2419529582.

The spelling of 27065380 in words is "twenty-seven million, sixty-five thousand, three hundred eighty".