6378973 has 2 divisors, whose sum is σ = 6378974. Its totient is φ = 6378972.

The previous prime is 6378947. The next prime is 6378979. The reversal of 6378973 is 3798736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4848804 + 1530169 = 2202^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 6378973 - 2¹³ = 6370781 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 3³ + 7 + 8 + 9⁷ + 7³ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6378979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3189486 + 3189487.

It is an arithmetic number, because the mean of its divisors is an integer number (3189487).

Almost surely, 2^6378973 is an apocalyptic number.

It is an amenable number.

6378973 is a deficient number, since it is larger than the sum of its proper divisors (1).

6378973 is an equidigital number, since it uses as much as digits as its factorization.

6378973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 6378973 is about 2525.6628832843. The cubic root of 6378973 is about 185.4599996576.

The spelling of 6378973 in words is "six million, three hundred seventy-eight thousand, nine hundred seventy-three".