6977744 has 20 divisors (see below), whose sum is σ = 13646820. Its totient is φ = 3456000.

The previous prime is 6977743. The next prime is 6977767. The reversal of 6977744 is 4477796.

It can be written as a sum of positive squares in 2 ways, for example, as 2190400 + 4787344 = 1480^2 + 2188^2 .

It is a super-2 number, since 2×6977744² = 97377822659072, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁶ + 9 + 7² + 7⁶ + 7⁸ + 4 + 4¹⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 6977695 and 6977704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6977741) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 257 + ... + 3744.

It is an arithmetic number, because the mean of its divisors is an integer number (682341).

Almost surely, 2^6977744 is an apocalyptic number.

It is an amenable number.

6977744 is a deficient number, since it is larger than the sum of its proper divisors (6669076).

6977744 is a wasteful number, since it uses less digits than its factorization.

6977744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118 (or 4112 counting only the distinct ones).

The product of its digits is 296352, while the sum is 44.

The square root of 6977744 is about 2641.5419739236. The cubic root of 6977744 is about 191.0901687686.

The spelling of 6977744 in words is "six million, nine hundred seventy-seven thousand, seven hundred forty-four".