6728973 has 8 divisors (see below), whose sum is σ = 8986848. Its totient is φ = 4478544.

The previous prime is 6728963. The next prime is 6728977. The reversal of 6728973 is 3798276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6728973 - 2¹⁰ = 6727949 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790 + ... + 3752.

It is an arithmetic number, because the mean of its divisors is an integer number (1123356).

Almost surely, 2^6728973 is an apocalyptic number.

It is an amenable number.

6728973 is a deficient number, since it is larger than the sum of its proper divisors (2257875).

6728973 is a wasteful number, since it uses less digits than its factorization.

6728973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723.

The product of its digits is 127008, while the sum is 42.

The square root of 6728973 is about 2594.0264069589. The cubic root of 6728973 is about 188.7917136583.

The spelling of 6728973 in words is "six million, seven hundred twenty-eight thousand, nine hundred seventy-three".