6728456734 has 32 divisors (see below), whose sum is σ = 10636829280. Its totient is φ = 3188045952.

The previous prime is 6728456717. The next prime is 6728456737. The reversal of 6728456734 is 4376548276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728456737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184052 + ... + 1189720.

It is an arithmetic number, because the mean of its divisors is an integer number (332400915).

Almost surely, 2^6728456734 is an apocalyptic number.

6728456734 is a deficient number, since it is larger than the sum of its proper divisors (3908372546).

6728456734 is a wasteful number, since it uses less digits than its factorization.

6728456734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124.

The product of its digits is 6773760, while the sum is 52.

The square root of 6728456734 is about 82027.1707058094. The cubic root of 6728456734 is about 1887.8688532189.

The spelling of 6728456734 in words is "six billion, seven hundred twenty-eight million, four hundred fifty-six thousand, seven hundred thirty-four".