6728972 has 12 divisors (see below), whose sum is σ = 12287856. Its totient is φ = 3218160.

The previous prime is 6728963. The next prime is 6728977. The reversal of 6728972 is 2798276.

It is not an unprimeable number, because it can be changed into a prime (6728977) 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, 36479 + ... + 36662.

It is an arithmetic number, because the mean of its divisors is an integer number (1023988).

Almost surely, 2^6728972 is an apocalyptic number.

It is an amenable number.

6728972 is a deficient number, since it is larger than the sum of its proper divisors (5558884).

6728972 is a wasteful number, since it uses less digits than its factorization.

6728972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73168 (or 73166 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 6728972 is about 2594.0262142083. The cubic root of 6728972 is about 188.7917043061.

The spelling of 6728972 in words is "six million, seven hundred twenty-eight thousand, nine hundred seventy-two".