27112470 has 128 divisors (see below), whose sum is σ = 82639872. Its totient is φ = 5575680.

The previous prime is 27112457. The next prime is 27112493. The reversal of 27112470 is 7421172.

It is a self number, because there is not a number n which added to its sum of digits gives 27112470.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 279462 + ... + 279558.

It is an arithmetic number, because the mean of its divisors is an integer number (645624).

Almost surely, 2^27112470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27112470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41319936).

27112470 is an abundant number, since it is smaller than the sum of its proper divisors (55527402).

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

27112470 is a wasteful number, since it uses less digits than its factorization.

27112470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 27112470 is about 5206.9636065561. The cubic root of 27112470 is about 300.4159784953.

The spelling of 27112470 in words is "twenty-seven million, one hundred twelve thousand, four hundred seventy".