6728719094 has 4 divisors (see below), whose sum is σ = 10093078644. Its totient is φ = 3364359546.

The previous prime is 6728719013. The next prime is 6728719099. The reversal of 6728719094 is 4909178276.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728719099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1682179772 + ... + 1682179775.

It is an arithmetic number, because the mean of its divisors is an integer number (2523269661).

Almost surely, 2^6728719094 is an apocalyptic number.

6728719094 is a deficient number, since it is larger than the sum of its proper divisors (3364359550).

6728719094 is a wasteful number, since it uses less digits than its factorization.

6728719094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364359549.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 6728719094 is about 82028.7699164141. The cubic root of 6728719094 is about 1887.8933905362.

The spelling of 6728719094 in words is "six billion, seven hundred twenty-eight million, seven hundred nineteen thousand, ninety-four".