7101072172 has 6 divisors (see below), whose sum is σ = 12426876308. Its totient is φ = 3550536084.

The previous prime is 7101072169. The next prime is 7101072191. The reversal of 7101072172 is 2712701017.

It is a self number, because there is not a number n which added to its sum of digits gives 7101072172.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 887634018 + ... + 887634025.

Almost surely, 2^7101072172 is an apocalyptic number.

It is an amenable number.

7101072172 is a deficient number, since it is larger than the sum of its proper divisors (5325804136).

7101072172 is a wasteful number, since it uses less digits than its factorization.

7101072172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775268047 (or 1775268045 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 7101072172 is about 84267.8596619138. The cubic root of 7101072172 is about 1922.0940849350.

Adding to 7101072172 its reverse (2712701017), we get a palindrome (9813773189).

The spelling of 7101072172 in words is "seven billion, one hundred one million, seventy-two thousand, one hundred seventy-two".