6739347721752 has 128 divisors (see below), whose sum is σ = 19126767168000. Its totient is φ = 2197922613120.

The previous prime is 6739347721723. The next prime is 6739347721763. The reversal of 6739347721752 is 2571277439376.

6739347721752 is a `hidden beast` number, since 6 + 7 + 3 + 93 + 477 + 2 + 1 + 75 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6739347721752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3289927 + ... + 4929737.

It is an arithmetic number, because the mean of its divisors is an integer number (149427868500).

Almost surely, 2^{6739347721752} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6739347721752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9563383584000).

6739347721752 is an abundant number, since it is smaller than the sum of its proper divisors (12387419446248).

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

6739347721752 is a wasteful number, since it uses less digits than its factorization.

6739347721752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640238 (or 1640228 counting only the distinct ones).

The product of its digits is 93350880, while the sum is 63.

The spelling of 6739347721752 in words is "six trillion, seven hundred thirty-nine billion, three hundred forty-seven million, seven hundred twenty-one thousand, seven hundred fifty-two".