7447796018 has 16 divisors (see below), whose sum is σ = 12043719576. Its totient is φ = 3433825920.

The previous prime is 7447796011. The next prime is 7447796053. The reversal of 7447796018 is 8106977447.

It can be written as a sum of positive squares in 4 ways, for example, as 2916756049 + 4531039969 = 54007^2 + 67313^2 .

It is not an unprimeable number, because it can be changed into a prime (7447796011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125513 + ... + 175068.

Almost surely, 2^7447796018 is an apocalyptic number.

7447796018 is a deficient number, since it is larger than the sum of its proper divisors (4595923558).

7447796018 is a wasteful number, since it uses less digits than its factorization.

7447796018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301549.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The square root of 7447796018 is about 86300.6142388338. The cubic root of 7447796018 is about 1952.8816494617.

The spelling of 7447796018 in words is "seven billion, four hundred forty-seven million, seven hundred ninety-six thousand, eighteen".