2740207 has 2 divisors, whose sum is σ = 2740208. Its totient is φ = 2740206.

The previous prime is 2740189. The next prime is 2740211. The reversal of 2740207 is 7020472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2740207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2740217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370103 + 1370104.

It is an arithmetic number, because the mean of its divisors is an integer number (1370104).

2^2740207 is an apocalyptic number.

2740207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740207 is an equidigital number, since it uses as much as digits as its factorization.

2740207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 2740207 is about 1655.3570611805. The cubic root of 2740207 is about 139.9354634521.

Adding to 2740207 its reverse (7020472), we get a palindrome (9760679).

The spelling of 2740207 in words is "two million, seven hundred forty thousand, two hundred seven".