6671443 has 2 divisors, whose sum is σ = 6671444. Its totient is φ = 6671442.

The previous prime is 6671411. The next prime is 6671447. The reversal of 6671443 is 3441766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6671443 - 2⁵ = 6671411 is a prime.

It is not a weakly prime, because it can be changed into another prime (6671447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335721 + 3335722.

It is an arithmetic number, because the mean of its divisors is an integer number (3335722).

Almost surely, 2^6671443 is an apocalyptic number.

6671443 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671443 is an equidigital number, since it uses as much as digits as its factorization.

6671443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 6671443 is about 2582.9136648367. The cubic root of 6671443 is about 188.2521420639.

The spelling of 6671443 in words is "six million, six hundred seventy-one thousand, four hundred forty-three".