27391343 has 12 divisors (see below), whose sum is σ = 31961952. Its totient is φ = 23405760.

The previous prime is 27391333. The next prime is 27391361. The reversal of 27391343 is 34319372.

It is not a de Polignac number, because 27391343 - 2¹² = 27387247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27391333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20471 + ... + 21767.

It is an arithmetic number, because the mean of its divisors is an integer number (2663496).

Almost surely, 2^27391343 is an apocalyptic number.

27391343 is a deficient number, since it is larger than the sum of its proper divisors (4570609).

27391343 is a wasteful number, since it uses less digits than its factorization.

27391343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1735 counting only the distinct ones).

The product of its digits is 13608, while the sum is 32.

The square root of 27391343 is about 5233.6739485757. The cubic root of 27391343 is about 301.4424716540.

The spelling of 27391343 in words is "twenty-seven million, three hundred ninety-one thousand, three hundred forty-three".