27027280 has 120 divisors (see below), whose sum is σ = 76745088. Its totient is φ = 8669184.

The previous prime is 27027269. The next prime is 27027283. The reversal of 27027280 is 8272072.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27027283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161757 + ... + 161923.

Almost surely, 2^27027280 is an apocalyptic number.

27027280 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 27027280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38372544).

27027280 is an abundant number, since it is smaller than the sum of its proper divisors (49717808).

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

27027280 is a wasteful number, since it uses less digits than its factorization.

27027280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 27027280 is about 5198.7767792049. The cubic root of 27027280 is about 300.1010030278.

The spelling of 27027280 in words is "twenty-seven million, twenty-seven thousand, two hundred eighty".