6728413227 has 4 divisors (see below), whose sum is σ = 8971217640. Its totient is φ = 4485608816.

The previous prime is 6728413189. The next prime is 6728413231. The reversal of 6728413227 is 7223148276.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6728413227 - 2¹² = 6728409131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6728413297) 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, 1121402202 + ... + 1121402207.

It is an arithmetic number, because the mean of its divisors is an integer number (2242804410).

Almost surely, 2^6728413227 is an apocalyptic number.

6728413227 is a deficient number, since it is larger than the sum of its proper divisors (2242804413).

6728413227 is a wasteful number, since it uses less digits than its factorization.

6728413227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242804412.

The product of its digits is 225792, while the sum is 42.

The square root of 6728413227 is about 82026.9055066690. The cubic root of 6728413227 is about 1887.8647841487.

The spelling of 6728413227 in words is "six billion, seven hundred twenty-eight million, four hundred thirteen thousand, two hundred twenty-seven".