7522731168 has 48 divisors (see below), whose sum is σ = 20228818176. Its totient is φ = 2446415360.

The previous prime is 7522731163. The next prime is 7522731169. The reversal of 7522731168 is 8611372257.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (7522731163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951696 + ... + 959567.

It is an arithmetic number, because the mean of its divisors is an integer number (421433712).

Almost surely, 2^7522731168 is an apocalyptic number.

It is an amenable number.

7522731168 is an abundant number, since it is smaller than the sum of its proper divisors (12706087008).

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

7522731168 is a wasteful number, since it uses less digits than its factorization.

7522731168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911317 (or 1911309 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 7522731168 is about 86733.6795483738. The cubic root of 7522731168 is about 1959.4093708360.

The spelling of 7522731168 in words is "seven billion, five hundred twenty-two million, seven hundred thirty-one thousand, one hundred sixty-eight".