6728072 has 16 divisors (see below), whose sum is σ = 13585740. Its totient is φ = 3105216.

The previous prime is 6728047. The next prime is 6728083. The reversal of 6728072 is 2708276.

It can be written as a sum of positive squares in 2 ways, for example, as 6421156 + 306916 = 2534^2 + 554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32243 + ... + 32450.

Almost surely, 2^6728072 is an apocalyptic number.

It is an amenable number.

6728072 is an abundant number, since it is smaller than the sum of its proper divisors (6857668).

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

6728072 is a wasteful number, since it uses less digits than its factorization.

6728072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64712 (or 64708 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 6728072 is about 2593.8527329052. The cubic root of 6728072 is about 188.7832869674.

The spelling of 6728072 in words is "six million, seven hundred twenty-eight thousand, seventy-two".