6947872 has 12 divisors (see below), whose sum is σ = 13678686. Its totient is φ = 3473920.

The previous prime is 6947867. The next prime is 6947873. The reversal of 6947872 is 2787496.

It can be written as a sum of positive squares in only one way, i.e., 6533136 + 414736 = 2556^2 + 644^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (6947873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108529 + ... + 108592.

Almost surely, 2^6947872 is an apocalyptic number.

It is an amenable number.

6947872 is a deficient number, since it is larger than the sum of its proper divisors (6730814).

6947872 is a wasteful number, since it uses less digits than its factorization.

6947872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217131 (or 217123 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 6947872 is about 2635.8816361893. The cubic root of 6947872 is about 190.8170905028.

The spelling of 6947872 in words is "six million, nine hundred forty-seven thousand, eight hundred seventy-two".