6729726534 has 16 divisors (see below), whose sum is σ = 13486217472. Its totient is φ = 2238781448.

The previous prime is 6729726533. The next prime is 6729726541. The reversal of 6729726534 is 4356279276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729726533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111914 + ... + 1117949.

It is an arithmetic number, because the mean of its divisors is an integer number (842888592).

Almost surely, 2^6729726534 is an apocalyptic number.

6729726534 is an abundant number, since it is smaller than the sum of its proper divisors (6756490938).

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

6729726534 is a wasteful number, since it uses less digits than its factorization.

6729726534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230371.

The product of its digits is 3810240, while the sum is 51.

The square root of 6729726534 is about 82034.9104589016. The cubic root of 6729726534 is about 1887.9876058134.

The spelling of 6729726534 in words is "six billion, seven hundred twenty-nine million, seven hundred twenty-six thousand, five hundred thirty-four".