6729230816 has 96 divisors (see below), whose sum is σ = 16557488640. Its totient is φ = 2615385600.

The previous prime is 6729230813. The next prime is 6729230843. The reversal of 6729230816 is 6180329276.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729230813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078586 + ... + 1084806.

It is an arithmetic number, because the mean of its divisors is an integer number (172473840).

Almost surely, 2^6729230816 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 6729230816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8278744320).

6729230816 is an abundant number, since it is smaller than the sum of its proper divisors (9828257824).

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

6729230816 is a wasteful number, since it uses less digits than its factorization.

6729230816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688 (or 6680 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 6729230816 is about 82031.8890188444. The cubic root of 6729230816 is about 1887.9412476929.

The spelling of 6729230816 in words is "six billion, seven hundred twenty-nine million, two hundred thirty thousand, eight hundred sixteen".