6740349329 has 8 divisors (see below), whose sum is σ = 8156389248. Its totient is φ = 5437592640.

The previous prime is 6740349271. The next prime is 6740349353. The reversal of 6740349329 is 9239430476.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6740349329 - 2¹² = 6740345233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6740346329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28320677 + ... + 28320914.

It is an arithmetic number, because the mean of its divisors is an integer number (1019548656).

Almost surely, 2^6740349329 is an apocalyptic number.

It is an amenable number.

6740349329 is a deficient number, since it is larger than the sum of its proper divisors (1416039919).

6740349329 is a wasteful number, since it uses less digits than its factorization.

6740349329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56641615.

The product of its (nonzero) digits is 979776, while the sum is 47.

The square root of 6740349329 is about 82099.6305046497. The cubic root of 6740349329 is about 1888.9804724070.

The spelling of 6740349329 in words is "six billion, seven hundred forty million, three hundred forty-nine thousand, three hundred twenty-nine".