6728073 has 32 divisors (see below), whose sum is σ = 10575360. Its totient is φ = 3759360.

The previous prime is 6728047. The next prime is 6728083. The reversal of 6728073 is 3708276.

It is not a de Polignac number, because 6728073 - 2⁵ = 6728041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6728083) 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 31 ways as a sum of consecutive naturals, for example, 37498 + ... + 37676.

It is an arithmetic number, because the mean of its divisors is an integer number (330480).

Almost surely, 2^6728073 is an apocalyptic number.

It is an amenable number.

6728073 is a deficient number, since it is larger than the sum of its proper divisors (3847287).

6728073 is a wasteful number, since it uses less digits than its factorization.

6728073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 6728073 is about 2593.8529256687. The cubic root of 6728073 is about 188.7832963204.

The spelling of 6728073 in words is "six million, seven hundred twenty-eight thousand, seventy-three".