27343128 has 64 divisors (see below), whose sum is σ = 73209600. Its totient is φ = 8484480.

The previous prime is 27343097. The next prime is 27343153. The reversal of 27343128 is 82134372.

It is a junction number, because it is equal to n+sod(n) for n = 27343095 and 27343104.

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, 27325 + ... + 28307.

It is an arithmetic number, because the mean of its divisors is an integer number (1143900).

Almost surely, 2^27343128 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 27343128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36604800).

27343128 is an abundant number, since it is smaller than the sum of its proper divisors (45866472).

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

27343128 is a wasteful number, since it uses less digits than its factorization.

27343128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1068 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 27343128 is about 5229.0656909241. The cubic root of 27343128 is about 301.2654986488.

The spelling of 27343128 in words is "twenty-seven million, three hundred forty-three thousand, one hundred twenty-eight".