8072512330 has 24 divisors (see below), whose sum is σ = 15335544132. Its totient is φ = 3059055936.

The previous prime is 8072512321. The next prime is 8072512351. The reversal of 8072512330 is 332152708.

It can be written as a sum of positive squares in 2 ways, for example, as 7775536041 + 296976289 = 88179^2 + 17233^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8072512292 and 8072512301.

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, 1114467 + ... + 1121686.

Almost surely, 2^8072512330 is an apocalyptic number.

8072512330 is a deficient number, since it is larger than the sum of its proper divisors (7263031802).

8072512330 is a wasteful number, since it uses less digits than its factorization.

8072512330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236198 (or 2236179 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 8072512330 is about 89847.1609456860. The cubic root of 8072512330 is about 2006.0245284733.

The spelling of 8072512330 in words is "eight billion, seventy-two million, five hundred twelve thousand, three hundred thirty".