6744485790520 has 16 divisors (see below), whose sum is σ = 15175093028760. Its totient is φ = 2697794316192.

The previous prime is 6744485790503. The next prime is 6744485790521. The reversal of 6744485790520 is 250975844476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744485790521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84306072342 + ... + 84306072421.

Almost surely, 2^{6744485790520} is an apocalyptic number.

It is an amenable number.

6744485790520 is an abundant number, since it is smaller than the sum of its proper divisors (8430607238240).

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

6744485790520 is a wasteful number, since it uses less digits than its factorization.

6744485790520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168612144774 (or 168612144770 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 61.

The spelling of 6744485790520 in words is "six trillion, seven hundred forty-four billion, four hundred eighty-five million, seven hundred ninety thousand, five hundred twenty".