6478673 has 2 divisors, whose sum is σ = 6478674. Its totient is φ = 6478672.

The previous prime is 6478631. The next prime is 6478723. The reversal of 6478673 is 3768746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4870849 + 1607824 = 2207^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 6478673 - 2¹² = 6474577 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 4⁶ + 7 + 8⁷ + 6⁸ + 7⁷ + 3¹³ .

It is a self number, because there is not a number n which added to its sum of digits gives 6478673.

It is not a weakly prime, because it can be changed into another prime (6478603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239336 + 3239337.

It is an arithmetic number, because the mean of its divisors is an integer number (3239337).

Almost surely, 2^6478673 is an apocalyptic number.

It is an amenable number.

6478673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6478673 is an equidigital number, since it uses as much as digits as its factorization.

6478673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 6478673 is about 2545.3237515098. The cubic root of 6478673 is about 186.4212232615.

The spelling of 6478673 in words is "six million, four hundred seventy-eight thousand, six hundred seventy-three".