7973572688 has 10 divisors (see below), whose sum is σ = 15448797114. Its totient is φ = 3986786336.

The previous prime is 7973572669. The next prime is 7973572693. The reversal of 7973572688 is 8862753797.

It can be written as a sum of positive squares in only one way, i.e., 6974254144 + 999318544 = 83512^2 + 31612^2 .

It is a super-2 number, since 2×7973572688² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7973572688.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249174131 + ... + 249174162.

Almost surely, 2^7973572688 is an apocalyptic number.

It is an amenable number.

7973572688 is a deficient number, since it is larger than the sum of its proper divisors (7475224426).

7973572688 is a wasteful number, since it uses less digits than its factorization.

7973572688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498348301 (or 498348295 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 62.

The square root of 7973572688 is about 89294.8637268684. The cubic root of 7973572688 is about 1997.7952945299.

The spelling of 7973572688 in words is "seven billion, nine hundred seventy-three million, five hundred seventy-two thousand, six hundred eighty-eight".