6721054592 has 64 divisors (see below), whose sum is σ = 15324063840. Its totient is φ = 2876375040.

The previous prime is 6721054591. The next prime is 6721054597. The reversal of 6721054592 is 2954501276.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6721054591) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 676928 + ... + 686784.

Almost surely, 2^6721054592 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 6721054592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7662031920).

6721054592 is an abundant number, since it is smaller than the sum of its proper divisors (8603009248).

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

6721054592 is an equidigital number, since it uses as much as digits as its factorization.

6721054592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10639 (or 10627 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 6721054592 is about 81982.0382278948. The cubic root of 6721054592 is about 1887.1763020888.

The spelling of 6721054592 in words is "six billion, seven hundred twenty-one million, fifty-four thousand, five hundred ninety-two".