6881873 has 2 divisors, whose sum is σ = 6881874. Its totient is φ = 6881872.

The previous prime is 6881869. The next prime is 6881893. The reversal of 6881873 is 3781886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5326864 + 1555009 = 2308^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 6881873 - 2² = 6881869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6881873.

It is not a weakly prime, because it can be changed into another prime (6881803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440936 + 3440937.

It is an arithmetic number, because the mean of its divisors is an integer number (3440937).

Almost surely, 2^6881873 is an apocalyptic number.

It is an amenable number.

6881873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6881873 is an equidigital number, since it uses as much as digits as its factorization.

6881873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 6881873 is about 2623.3324227021. The cubic root of 6881873 is about 190.2109660370.

The spelling of 6881873 in words is "six million, eight hundred eighty-one thousand, eight hundred seventy-three".