6873641 has 2 divisors, whose sum is σ = 6873642. Its totient is φ = 6873640.

The previous prime is 6873613. The next prime is 6873653. The reversal of 6873641 is 1463786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6786025 + 87616 = 2605^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 6873641 - 2⁶ = 6873577 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6² + 8⁵ + 7⁸ + 3⁹ + 6⁵ + 4¹⁰ + 1 .

It is not a weakly prime, because it can be changed into another prime (6893641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436820 + 3436821.

It is an arithmetic number, because the mean of its divisors is an integer number (3436821).

Almost surely, 2^6873641 is an apocalyptic number.

It is an amenable number.

6873641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6873641 is an equidigital number, since it uses as much as digits as its factorization.

6873641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 6873641 is about 2621.7629564856. The cubic root of 6873641 is about 190.1350932127.

The spelling of 6873641 in words is "six million, eight hundred seventy-three thousand, six hundred forty-one".