6978744 has 32 divisors (see below), whose sum is σ = 19386000. Its totient is φ = 2326176.

The previous prime is 6978743. The next prime is 6978749. The reversal of 6978744 is 4478796.

It is a self number, because there is not a number n which added to its sum of digits gives 6978744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978743) 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 in 7 ways as a sum of consecutive naturals, for example, 15939 + ... + 16370.

Almost surely, 2^6978744 is an apocalyptic number.

It is an amenable number.

6978744 is an abundant number, since it is smaller than the sum of its proper divisors (12407256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6978744 is a wasteful number, since it uses less digits than its factorization.

6978744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32324 (or 32314 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 6978744 is about 2641.7312505249. The cubic root of 6978744 is about 191.0992968880.

The spelling of 6978744 in words is "six million, nine hundred seventy-eight thousand, seven hundred forty-four".