6709729824 has 192 divisors, whose sum is σ = 22585006080. Its totient is φ = 1898277120.

The previous prime is 6709729783. The next prime is 6709729837. The reversal of 6709729824 is 4289279076.

It is a super-2 number, since 2×6709729824² = 90040948622150141952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 617559 + ... + 628329.

It is an arithmetic number, because the mean of its divisors is an integer number (117630240).

Almost surely, 2^6709729824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6709729824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11292503040).

6709729824 is an abundant number, since it is smaller than the sum of its proper divisors (15875276256).

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

6709729824 is a wasteful number, since it uses less digits than its factorization.

6709729824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10900 (or 10886 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 6709729824 is about 81912.9405161358. The cubic root of 6709729824 is about 1886.1157617436.

The spelling of 6709729824 in words is "six billion, seven hundred nine million, seven hundred twenty-nine thousand, eight hundred twenty-four".