27000180 has 36 divisors (see below), whose sum is σ = 81901092. Its totient is φ = 7200000.

The previous prime is 27000179. The next prime is 27000187. The reversal of 27000180 is 8100072.

It can be written as a sum of positive squares in 2 ways, for example, as 9511056 + 17489124 = 3084^2 + 4182^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27000187) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 74821 + ... + 75180.

Almost surely, 2^27000180 is an apocalyptic number.

27000180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27000180 is an abundant number, since it is smaller than the sum of its proper divisors (54900912).

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

27000180 is a wasteful number, since it uses less digits than its factorization.

27000180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150016 (or 150011 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 27000180 is about 5196.1697431858. The cubic root of 27000180 is about 300.0006666652. Note that the first 3 decimals are identical.

The spelling of 27000180 in words is "twenty-seven million, one hundred eighty", and thus it is an aban number.