6172728716 has 24 divisors (see below), whose sum is σ = 13467772416. Its totient is φ = 2404959120.

The previous prime is 6172728697. The next prime is 6172728761. The reversal of 6172728716 is 6178272716.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10020356 + ... + 10020971.

It is an arithmetic number, because the mean of its divisors is an integer number (561157184).

Almost surely, 2^6172728716 is an apocalyptic number.

It is an amenable number.

6172728716 is an abundant number, since it is smaller than the sum of its proper divisors (7295043700).

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

6172728716 is a wasteful number, since it uses less digits than its factorization.

6172728716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20041349 (or 20041347 counting only the distinct ones).

The product of its digits is 395136, while the sum is 47.

The square root of 6172728716 is about 78566.7150643324. The cubic root of 6172728716 is about 1834.3930524653.

The spelling of 6172728716 in words is "six billion, one hundred seventy-two million, seven hundred twenty-eight thousand, seven hundred sixteen".