6729999276 has 144 divisors (see below), whose sum is σ = 21460965120. Its totient is φ = 1613566080.

The previous prime is 6729999271. The next prime is 6729999293.

6729999276 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (6729999271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44065 + ... + 124103.

It is an arithmetic number, because the mean of its divisors is an integer number (149034480).

Almost surely, 2^6729999276 is an apocalyptic number.

6729999276 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6729999276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10730482560).

6729999276 is an abundant number, since it is smaller than the sum of its proper divisors (14730965844).

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

6729999276 is a wasteful number, since it uses less digits than its factorization.

6729999276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80084 (or 80075 counting only the distinct ones).

The product of its digits is 46294416, while the sum is 66.

The square root of 6729999276 is about 82036.5727953088. The cubic root of 6729999276 is about 1888.0131108894.

The spelling of 6729999276 in words is "six billion, seven hundred twenty-nine million, nine hundred ninety-nine thousand, two hundred seventy-six".