6779944 has 8 divisors (see below), whose sum is σ = 12712410. Its totient is φ = 3389968.

The previous prime is 6779921. The next prime is 6779951. The reversal of 6779944 is 4499776.

It can be written as a sum of positive squares in only one way, i.e., 4251844 + 2528100 = 2062^2 + 1590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 6⁸ + 7⁵ + 7⁷ + 9⁴ + 9⁵ + 4³ + 4¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 6779894 and 6779903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423739 + ... + 423754.

Almost surely, 2^6779944 is an apocalyptic number.

It is an amenable number.

6779944 is a deficient number, since it is larger than the sum of its proper divisors (5932466).

6779944 is a wasteful number, since it uses less digits than its factorization.

6779944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847499 (or 847495 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 6779944 is about 2603.8325599009. The cubic root of 6779944 is about 189.2672050796.

The spelling of 6779944 in words is "six million, seven hundred seventy-nine thousand, nine hundred forty-four".