6773985 has 12 divisors (see below), whose sum is σ = 11741652. Its totient is φ = 3612768.

The previous prime is 6773959. The next prime is 6773999. The reversal of 6773985 is 5893776.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4460544 + 2313441 = 2112^2 + 1521^2 .

It is not a de Polignac number, because 6773985 - 2⁵ = 6773953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 150533 = 6773985 / (6 + 7 + 7 + 3 + 9 + 8 + 5).

It is a d-powerful number, because it can be written as 6⁵ + 7⁷ + 7⁸ + 3¹¹ + 9² + 8³ + 5³ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6773985.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 75222 + ... + 75311.

It is an arithmetic number, because the mean of its divisors is an integer number (978471).

Almost surely, 2^6773985 is an apocalyptic number.

It is an amenable number.

6773985 is a deficient number, since it is larger than the sum of its proper divisors (4967667).

6773985 is a wasteful number, since it uses less digits than its factorization.

6773985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150544 (or 150541 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 6773985 is about 2602.6880335530. The cubic root of 6773985 is about 189.2117388465.

The spelling of 6773985 in words is "six million, seven hundred seventy-three thousand, nine hundred eighty-five".