6847972 has 6 divisors (see below), whose sum is σ = 11983958. Its totient is φ = 3423984.

The previous prime is 6847969. The next prime is 6847979. The reversal of 6847972 is 2797486.

It can be written as a sum of positive squares in only one way, i.e., 5875776 + 972196 = 2424^2 + 986^2 .

It is not an unprimeable number, because it can be changed into a prime (6847979) 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 as a sum of consecutive naturals, namely, 855993 + ... + 856000.

Almost surely, 2^6847972 is an apocalyptic number.

It is an amenable number.

6847972 is a deficient number, since it is larger than the sum of its proper divisors (5135986).

6847972 is a wasteful number, since it uses less digits than its factorization.

6847972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711997 (or 1711995 counting only the distinct ones).

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

The square root of 6847972 is about 2616.8630074958. The cubic root of 6847972 is about 189.8981171227.

The spelling of 6847972 in words is "six million, eight hundred forty-seven thousand, nine hundred seventy-two".