6728575 has 12 divisors (see below), whose sum is σ = 9535600. Its totient is φ = 4613760.

The previous prime is 6728569. The next prime is 6728591. The reversal of 6728575 is 5758276.

It is not a de Polignac number, because 6728575 - 2⁵ = 6728543 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

6728575 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19050 + ... + 19399.

Almost surely, 2^6728575 is an apocalyptic number.

6728575 is a deficient number, since it is larger than the sum of its proper divisors (2807025).

6728575 is a wasteful number, since it uses less digits than its factorization.

6728575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38466 (or 38461 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 6728575 is about 2593.9496911081. The cubic root of 6728575 is about 188.7879914170.

Subtracting from 6728575 its reverse (5758276), we obtain a cube (970299 = 99³).

The spelling of 6728575 in words is "six million, seven hundred twenty-eight thousand, five hundred seventy-five".