27045120 has 72 divisors (see below), whose sum is σ = 86387616. Its totient is φ = 7211008.

The previous prime is 27045119. The next prime is 27045133. The reversal of 27045120 is 2154072.

It is a congruent number.

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, 319 + ... + 7361.

It is an arithmetic number, because the mean of its divisors is an integer number (1199828).

Almost surely, 2^27045120 is an apocalyptic number.

27045120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27045120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43193808).

27045120 is an abundant number, since it is smaller than the sum of its proper divisors (59342496).

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

27045120 is an equidigital number, since it uses as much as digits as its factorization.

27045120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7067 (or 7053 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 27045120 is about 5200.4922843900. The cubic root of 27045120 is about 300.1670181104.

Adding to 27045120 its reverse (2154072), we get a palindrome (29199192).

The spelling of 27045120 in words is "twenty-seven million, forty-five thousand, one hundred twenty".