6682729252 has 12 divisors (see below), whose sum is σ = 11815341580. Its totient is φ = 3306917376.

The previous prime is 6682729217. The next prime is 6682729283. The reversal of 6682729252 is 2529272866.

It can be written as a sum of positive squares in 2 ways, for example, as 4296015936 + 2386713316 = 65544^2 + 48854^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6682729196 and 6682729205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8611377 + ... + 8612152.

Almost surely, 2^6682729252 is an apocalyptic number.

It is an amenable number.

6682729252 is a deficient number, since it is larger than the sum of its proper divisors (5132612328).

6682729252 is a wasteful number, since it uses less digits than its factorization.

6682729252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17223630 (or 17223628 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 6682729252 is about 81747.9617605234. The cubic root of 6682729252 is about 1883.5823925682.

The spelling of 6682729252 in words is "six billion, six hundred eighty-two million, seven hundred twenty-nine thousand, two hundred fifty-two".