6745730992 has 240 divisors, whose sum is σ = 17841358080. Its totient is φ = 2399155200.

The previous prime is 6745730963. The next prime is 6745730993. The reversal of 6745730992 is 2990375476.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (6745730993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37269142 + ... + 37269322.

It is an arithmetic number, because the mean of its divisors is an integer number (74338992).

Almost surely, 2^6745730992 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 6745730992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8920679040).

6745730992 is an abundant number, since it is smaller than the sum of its proper divisors (11095627088).

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

6745730992 is a wasteful number, since it uses less digits than its factorization.

6745730992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 52.

The square root of 6745730992 is about 82132.3991613541. The cubic root of 6745730992 is about 1889.4830750398.

It can be divided in two parts, 6745 and 730992, that added together give a palindrome (737737).

The spelling of 6745730992 in words is "six billion, seven hundred forty-five million, seven hundred thirty thousand, nine hundred ninety-two".