27345671 has 2 divisors, whose sum is σ = 27345672. Its totient is φ = 27345670.

The previous prime is 27345667. The next prime is 27345677. The reversal of 27345671 is 17654372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27345671 - 2² = 27345667 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27345677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13672835 + 13672836.

It is an arithmetic number, because the mean of its divisors is an integer number (13672836).

Almost surely, 2^27345671 is an apocalyptic number.

27345671 is a deficient number, since it is larger than the sum of its proper divisors (1).

27345671 is an equidigital number, since it uses as much as digits as its factorization.

27345671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 27345671 is about 5229.3088453447. The cubic root of 27345671 is about 301.2748379169.

The spelling of 27345671 in words is "twenty-seven million, three hundred forty-five thousand, six hundred seventy-one".