7171318672 has 60 divisors (see below), whose sum is σ = 16599909760. Its totient is φ = 2939770944.

The previous prime is 7171318633. The next prime is 7171318681. The reversal of 7171318672 is 2768131717.

It is a happy number.

It is a super-2 number, since 2×7171318672² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1272 + ... + 119767.

Almost surely, 2^7171318672 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 7171318672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8299954880).

7171318672 is an abundant number, since it is smaller than the sum of its proper divisors (9428591088).

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

7171318672 is a wasteful number, since it uses less digits than its factorization.

7171318672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121100 (or 121071 counting only the distinct ones).

The product of its digits is 98784, while the sum is 43.

The square root of 7171318672 is about 84683.6387503513. The cubic root of 7171318672 is about 1928.4113276191.

The spelling of 7171318672 in words is "seven billion, one hundred seventy-one million, three hundred eighteen thousand, six hundred seventy-two".