6748259920 has 20 divisors (see below), whose sum is σ = 15689704500. Its totient is φ = 2699303936.

The previous prime is 6748259897. The next prime is 6748259957. The reversal of 6748259920 is 299528476.

It can be written as a sum of positive squares in 2 ways, for example, as 983198736 + 5765061184 = 31356^2 + 75928^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 42176545 + ... + 42176704.

It is an arithmetic number, because the mean of its divisors is an integer number (784485225).

Almost surely, 2^6748259920 is an apocalyptic number.

It is an amenable number.

6748259920 is an abundant number, since it is smaller than the sum of its proper divisors (8941444580).

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

6748259920 is a wasteful number, since it uses less digits than its factorization.

6748259920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84353262 (or 84353256 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 6748259920 is about 82147.7931535595. The cubic root of 6748259920 is about 1889.7191635951.

The spelling of 6748259920 in words is "six billion, seven hundred forty-eight million, two hundred fifty-nine thousand, nine hundred twenty".