2706240287 has 2 divisors, whose sum is σ = 2706240288. Its totient is φ = 2706240286.

The previous prime is 2706240253. The next prime is 2706240289. The reversal of 2706240287 is 7820426072.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2706240287 - 2³⁰ = 1632498463 is a prime.

Together with 2706240289, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2706240287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2706240289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353120143 + 1353120144.

It is an arithmetic number, because the mean of its divisors is an integer number (1353120144).

Almost surely, 2^2706240287 is an apocalyptic number.

2706240287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2706240287 is an equidigital number, since it uses as much as digits as its factorization.

2706240287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 2706240287 is about 52021.5367612300. The cubic root of 2706240287 is about 1393.5485967646.

The spelling of 2706240287 in words is "two billion, seven hundred six million, two hundred forty thousand, two hundred eighty-seven".