6671747 has 2 divisors, whose sum is σ = 6671748. Its totient is φ = 6671746.

The previous prime is 6671723. The next prime is 6671767. The reversal of 6671747 is 7471766.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6671747 - 2⁶ = 6671683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6671747.

It is not a weakly prime, because it can be changed into another prime (6671767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335873 + 3335874.

It is an arithmetic number, because the mean of its divisors is an integer number (3335874).

Almost surely, 2^6671747 is an apocalyptic number.

6671747 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671747 is an equidigital number, since it uses as much as digits as its factorization.

6671747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 38.

The square root of 6671747 is about 2582.9725124360. The cubic root of 6671747 is about 188.2550014044.

The spelling of 6671747 in words is "six million, six hundred seventy-one thousand, seven hundred forty-seven".