27065980 has 24 divisors (see below), whose sum is σ = 57405600. Its totient is φ = 10718400.

The previous prime is 27065957. The next prime is 27065993. The reversal of 27065980 is 8956072.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4680 + ... + 8719.

It is an arithmetic number, because the mean of its divisors is an integer number (2391900).

Almost surely, 2^27065980 is an apocalyptic number.

27065980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27065980 is an abundant number, since it is smaller than the sum of its proper divisors (30339620).

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

27065980 is a wasteful number, since it uses less digits than its factorization.

27065980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13509 (or 13507 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 27065980 is about 5202.4974771738. The cubic root of 27065980 is about 300.2441715839.

The spelling of 27065980 in words is "twenty-seven million, sixty-five thousand, nine hundred eighty".