6728452724 has 24 divisors (see below), whose sum is σ = 13595641920. Its totient is φ = 2853893376.

The previous prime is 6728452699. The next prime is 6728452741. The reversal of 6728452724 is 4272548276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235954 + ... + 1241385.

It is an arithmetic number, because the mean of its divisors is an integer number (566485080).

Almost surely, 2^6728452724 is an apocalyptic number.

It is an amenable number.

6728452724 is an abundant number, since it is smaller than the sum of its proper divisors (6867189196).

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

6728452724 is a wasteful number, since it uses less digits than its factorization.

6728452724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477447 (or 2477445 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 47.

The square root of 6728452724 is about 82027.1462626855. The cubic root of 6728452724 is about 1887.8684781771.

The spelling of 6728452724 in words is "six billion, seven hundred twenty-eight million, four hundred fifty-two thousand, seven hundred twenty-four".