27474217368 has 128 divisors (see below), whose sum is σ = 75346951680. Its totient is φ = 8297210880.

The previous prime is 27474217357. The next prime is 27474217391. The reversal of 27474217368 is 86371247472.

It is a super-2 number, since 2×27474217368² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27474217368.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5158755 + ... + 5164077.

It is an arithmetic number, because the mean of its divisors is an integer number (588648060).

Almost surely, 2^27474217368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27474217368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37673475840).

27474217368 is an abundant number, since it is smaller than the sum of its proper divisors (47872734312).

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

27474217368 is a wasteful number, since it uses less digits than its factorization.

27474217368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5649 (or 5645 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 51.

The spelling of 27474217368 in words is "twenty-seven billion, four hundred seventy-four million, two hundred seventeen thousand, three hundred sixty-eight".