7163728912 has 10 divisors (see below), whose sum is σ = 13879724798. Its totient is φ = 3581864448.

The previous prime is 7163728907. The next prime is 7163728931. The reversal of 7163728912 is 2198273617.

It can be written as a sum of positive squares in only one way, i.e., 4274021376 + 2889707536 = 65376^2 + 53756^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223866513 + ... + 223866544.

Almost surely, 2^7163728912 is an apocalyptic number.

It is an amenable number.

7163728912 is a deficient number, since it is larger than the sum of its proper divisors (6715995886).

7163728912 is a wasteful number, since it uses less digits than its factorization.

7163728912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447733065 (or 447733059 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 7163728912 is about 84638.8144529447. The cubic root of 7163728912 is about 1927.7307765581.

The spelling of 7163728912 in words is "seven billion, one hundred sixty-three million, seven hundred twenty-eight thousand, nine hundred twelve".