6523728 has 20 divisors (see below), whose sum is σ = 16853088. Its totient is φ = 2174560.

The previous prime is 6523721. The next prime is 6523739. The reversal of 6523728 is 8273256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67908 + ... + 68003.

Almost surely, 2^6523728 is an apocalyptic number.

It is an amenable number.

6523728 is an abundant number, since it is smaller than the sum of its proper divisors (10329360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6523728 is a wasteful number, since it uses less digits than its factorization.

6523728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135922 (or 135916 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 6523728 is about 2554.1589613804. The cubic root of 6523728 is about 186.8523718794.

The spelling of 6523728 in words is "six million, five hundred twenty-three thousand, seven hundred twenty-eight".