27000080 has 40 divisors (see below), whose sum is σ = 66471192. Its totient is φ = 10164224.

The previous prime is 27000079. The next prime is 27000089. The reversal of 27000080 is 8000072.

It can be written as a sum of positive squares in 4 ways, for example, as 2119936 + 24880144 = 1456^2 + 4988^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (27000089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8567 + ... + 11286.

Almost surely, 2^27000080 is an apocalyptic number.

27000080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27000080 is an abundant number, since it is smaller than the sum of its proper divisors (39471112).

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

27000080 is a wasteful number, since it uses less digits than its factorization.

27000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19883 (or 19877 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 27000080 is about 5196.1601207045. The cubic root of 27000080 is about 300.0002962960. Note that the first 3 decimals are identical.

The spelling of 27000080 in words is "twenty-seven million, eighty", and thus it is an aban number and an uban number.