7968207172 has 12 divisors (see below), whose sum is σ = 13996202220. Its totient is φ = 3969292256.

The previous prime is 7968207133. The next prime is 7968207209. The reversal of 7968207172 is 2717028697.

It can be written as a sum of positive squares in 2 ways, for example, as 4433429056 + 3534778116 = 66584^2 + 59454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3701623 + ... + 3703774.

It is an arithmetic number, because the mean of its divisors is an integer number (1166350185).

Almost surely, 2^7968207172 is an apocalyptic number.

It is an amenable number.

7968207172 is a deficient number, since it is larger than the sum of its proper divisors (6027995048).

7968207172 is a wasteful number, since it uses less digits than its factorization.

7968207172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405670 (or 7405668 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 7968207172 is about 89264.8148600556. The cubic root of 7968207172 is about 1997.3470802309.

The spelling of 7968207172 in words is "seven billion, nine hundred sixty-eight million, two hundred seven thousand, one hundred seventy-two".