27130480 has 80 divisors (see below), whose sum is σ = 71557920. Its totient is φ = 9483264.

The previous prime is 27130471. The next prime is 27130517. The reversal of 27130480 is 8403172.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19074 + ... + 20446.

It is an arithmetic number, because the mean of its divisors is an integer number (894474).

Almost surely, 2^27130480 is an apocalyptic number.

27130480 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 27130480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35778960).

27130480 is an abundant number, since it is smaller than the sum of its proper divisors (44427440).

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

27130480 is a wasteful number, since it uses less digits than its factorization.

27130480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 27130480 is about 5208.6927342664. The cubic root of 27130480 is about 300.4824828775.

It can be divided in two parts, 271 and 30480, that multiplied together give a triangular number (8260080 = T₄₀₆₄).

The spelling of 27130480 in words is "twenty-seven million, one hundred thirty thousand, four hundred eighty".