6728395 has 16 divisors (see below), whose sum is σ = 8451072. Its totient is φ = 5136480.

The previous prime is 6728383. The next prime is 6728399. The reversal of 6728395 is 5938276.

It is not a de Polignac number, because 6728395 - 2¹⁵ = 6695627 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6728399) 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 in 15 ways as a sum of consecutive naturals, for example, 12604 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (528192).

Almost surely, 2^6728395 is an apocalyptic number.

6728395 is a deficient number, since it is larger than the sum of its proper divisors (1722677).

6728395 is a wasteful number, since it uses less digits than its factorization.

6728395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its digits is 90720, while the sum is 40.

The square root of 6728395 is about 2593.9149947521. The cubic root of 6728395 is about 188.7863079431.

The spelling of 6728395 in words is "six million, seven hundred twenty-eight thousand, three hundred ninety-five".