5071720172 has 24 divisors (see below), whose sum is σ = 9227707440. Its totient is φ = 2437079040.

The previous prime is 5071720163. The next prime is 5071720189. The reversal of 5071720172 is 2710271705.

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 in 7 ways as a sum of consecutive naturals, for example, 219797 + ... + 241772.

It is an arithmetic number, because the mean of its divisors is an integer number (384487810).

Almost surely, 2^5071720172 is an apocalyptic number.

It is an amenable number.

5071720172 is a deficient number, since it is larger than the sum of its proper divisors (4155987268).

5071720172 is a wasteful number, since it uses less digits than its factorization.

5071720172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461681 (or 461679 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 5071720172 is about 71216.0106436748. The cubic root of 5071720172 is about 1718.1131476502.

Adding to 5071720172 its reverse (2710271705), we get a palindrome (7781991877).

The spelling of 5071720172 in words is "five billion, seventy-one million, seven hundred twenty thousand, one hundred seventy-two".