6874909 has 2 divisors, whose sum is σ = 6874910. Its totient is φ = 6874908.

The previous prime is 6874877. The next prime is 6874913. The reversal of 6874909 is 9094786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6874884 + 25 = 2622^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 6874909 - 2⁵ = 6874877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6874939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3437454 + 3437455.

It is an arithmetic number, because the mean of its divisors is an integer number (3437455).

Almost surely, 2^6874909 is an apocalyptic number.

It is an amenable number.

6874909 is a deficient number, since it is larger than the sum of its proper divisors (1).

6874909 is an equidigital number, since it uses as much as digits as its factorization.

6874909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 6874909 is about 2622.0047673488. The cubic root of 6874909 is about 190.1467840800.

The spelling of 6874909 in words is "six million, eight hundred seventy-four thousand, nine hundred nine".