27130743 has 12 divisors (see below), whose sum is σ = 39246480. Its totient is φ = 18060576.

The previous prime is 27130739. The next prime is 27130757. The reversal of 27130743 is 34703172.

It is not a de Polignac number, because 27130743 - 2² = 27130739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27130783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5755 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (3270540).

Almost surely, 2^27130743 is an apocalyptic number.

27130743 is a deficient number, since it is larger than the sum of its proper divisors (12115737).

27130743 is a wasteful number, since it uses less digits than its factorization.

27130743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 27130743 is about 5208.7179804631. The cubic root of 27130743 is about 300.4834538228.

The spelling of 27130743 in words is "twenty-seven million, one hundred thirty thousand, seven hundred forty-three".