7173127668 has 96 divisors (see below), whose sum is σ = 20009687040. Its totient is φ = 1955479680.

The previous prime is 7173127667. The next prime is 7173127721. The reversal of 7173127668 is 8667213717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7173127667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808963 + ... + 817781.

It is an arithmetic number, because the mean of its divisors is an integer number (208434240).

Almost surely, 2^7173127668 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 7173127668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10004843520).

7173127668 is an abundant number, since it is smaller than the sum of its proper divisors (12836559372).

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

7173127668 is a wasteful number, since it uses less digits than its factorization.

7173127668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9277 (or 9275 counting only the distinct ones).

The product of its digits is 592704, while the sum is 48.

The square root of 7173127668 is about 84694.3189830345. The cubic root of 7173127668 is about 1928.5734640057.

It can be divided in two parts, 71731 and 27668, that added together give a palindrome (99399).

The spelling of 7173127668 in words is "seven billion, one hundred seventy-three million, one hundred twenty-seven thousand, six hundred sixty-eight".