6741550721 has 8 divisors (see below), whose sum is σ = 7102401600. Its totient is φ = 6381303120.

The previous prime is 6741550693. The next prime is 6741550771. The reversal of 6741550721 is 1270551476.

6741550721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6741550721 - 2²⁶ = 6674441857 is a prime.

It is a super-4 number, since 4×6741550721⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6741550771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127781 + ... + 172658.

It is an arithmetic number, because the mean of its divisors is an integer number (887800200).

Almost surely, 2^6741550721 is an apocalyptic number.

It is an amenable number.

6741550721 is a deficient number, since it is larger than the sum of its proper divisors (360850879).

6741550721 is a wasteful number, since it uses less digits than its factorization.

6741550721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301639.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 6741550721 is about 82106.9468498251. The cubic root of 6741550721 is about 1889.0926956315.

The spelling of 6741550721 in words is "six billion, seven hundred forty-one million, five hundred fifty thousand, seven hundred twenty-one".