6728713842 has 16 divisors (see below), whose sum is σ = 13504983840. Its totient is φ = 2234978592.

The previous prime is 6728713819. The next prime is 6728713853. The reversal of 6728713842 is 2483178276.

It is a junction number, because it is equal to n+sod(n) for n = 6728713791 and 6728713800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979667 + ... + 1983062.

It is an arithmetic number, because the mean of its divisors is an integer number (844061490).

Almost surely, 2^6728713842 is an apocalyptic number.

6728713842 is an abundant number, since it is smaller than the sum of its proper divisors (6776269998).

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

6728713842 is a wasteful number, since it uses less digits than its factorization.

6728713842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963017.

The product of its digits is 903168, while the sum is 48.

The square root of 6728713842 is about 82028.7379032495. The cubic root of 6728713842 is about 1887.8928993472.

The spelling of 6728713842 in words is "six billion, seven hundred twenty-eight million, seven hundred thirteen thousand, eight hundred forty-two".