27018980 has 24 divisors (see below), whose sum is σ = 58571520. Its totient is φ = 10458720.

The previous prime is 27018941. The next prime is 27019009. The reversal of 27018980 is 8981072.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27018980.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21170 + ... + 22409.

It is an arithmetic number, because the mean of its divisors is an integer number (2440480).

Almost surely, 2^27018980 is an apocalyptic number.

27018980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27018980 is an abundant number, since it is smaller than the sum of its proper divisors (31552540).

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

27018980 is a wasteful number, since it uses less digits than its factorization.

27018980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43619 (or 43617 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 27018980 is about 5197.9784532066. The cubic root of 27018980 is about 300.0702798308.

The spelling of 27018980 in words is "twenty-seven million, eighteen thousand, nine hundred eighty".