6749840608 has 24 divisors (see below), whose sum is σ = 15187141872. Its totient is φ = 2892788736.

The previous prime is 6749840593. The next prime is 6749840621. The reversal of 6749840608 is 8060489476.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15066385 + ... + 15066832.

It is an arithmetic number, because the mean of its divisors is an integer number (632797578).

Almost surely, 2^6749840608 is an apocalyptic number.

It is an amenable number.

6749840608 is an abundant number, since it is smaller than the sum of its proper divisors (8437301264).

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

6749840608 is a wasteful number, since it uses less digits than its factorization.

6749840608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30133234 (or 30133226 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 6749840608 is about 82157.4135912274. The cubic root of 6749840608 is about 1889.8666990707.

The spelling of 6749840608 in words is "six billion, seven hundred forty-nine million, eight hundred forty thousand, six hundred eight".