6081721472 has 72 divisors (see below), whose sum is σ = 12427779195. Its totient is φ = 2964541440.

The previous prime is 6081721447. The next prime is 6081721483. The reversal of 6081721472 is 2741271806.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 1252027456 + 4829694016 = 35384^2 + 69496^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=55144.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 53820488 + ... + 53820600.

Almost surely, 2^6081721472 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 6081721472

6081721472 is an abundant number, since it is smaller than the sum of its proper divisors (6346057723).

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

6081721472 is an frugal number, since it uses more digits than its factorization.

6081721472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 6081721472 is about 77985.3926835020. The cubic root of 6081721472 is about 1825.3332946790. Note that the first 3 decimals are identical.

The spelling of 6081721472 in words is "six billion, eighty-one million, seven hundred twenty-one thousand, four hundred seventy-two".