6721737341 has 4 divisors (see below), whose sum is σ = 7332804384. Its totient is φ = 6110670300.

The previous prime is 6721737311. The next prime is 6721737343. The reversal of 6721737341 is 1437371276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6721737341 - 2⁶ = 6721737277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6721737343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305533505 + ... + 305533526.

It is an arithmetic number, because the mean of its divisors is an integer number (1833201096).

Almost surely, 2^6721737341 is an apocalyptic number.

It is an amenable number.

6721737341 is a deficient number, since it is larger than the sum of its proper divisors (611067043).

6721737341 is a wasteful number, since it uses less digits than its factorization.

6721737341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611067042.

The product of its digits is 148176, while the sum is 41.

The square root of 6721737341 is about 81986.2021379207. The cubic root of 6721737341 is about 1887.2402019867.

The spelling of 6721737341 in words is "six billion, seven hundred twenty-one million, seven hundred thirty-seven thousand, three hundred forty-one".