6740087 has 2 divisors, whose sum is σ = 6740088. Its totient is φ = 6740086.

The previous prime is 6740077. The next prime is 6740089. The reversal of 6740087 is 7800476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6740087 - 2⁶ = 6740023 is a prime.

Together with 6740089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6740089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370043 + 3370044.

It is an arithmetic number, because the mean of its divisors is an integer number (3370044).

Almost surely, 2^6740087 is an apocalyptic number.

6740087 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740087 is an equidigital number, since it uses as much as digits as its factorization.

6740087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 6740087 is about 2596.1677526693. The cubic root of 6740087 is about 188.8955966220.

The spelling of 6740087 in words is "six million, seven hundred forty thousand, eighty-seven".