7845318272 has 64 divisors (see below), whose sum is σ = 17947634400. Its totient is φ = 3378355200.

The previous prime is 7845318251. The next prime is 7845318379. The reversal of 7845318272 is 2728135487.

It is a tau number, because it is divible by the number of its divisors (64).

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, 119879 + ... + 173382.

Almost surely, 2^7845318272 is an apocalyptic number.

It is an amenable number.

7845318272 is an abundant number, since it is smaller than the sum of its proper divisors (10102316128).

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

7845318272 is a wasteful number, since it uses less digits than its factorization.

7845318272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293305 (or 293293 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 7845318272 is about 88573.8012732885. The cubic root of 7845318272 is about 1987.0258740199.

The spelling of 7845318272 in words is "seven billion, eight hundred forty-five million, three hundred eighteen thousand, two hundred seventy-two".