7172500132 has 24 divisors (see below), whose sum is σ = 14807744000. Its totient is φ = 2974769280.

The previous prime is 7172500129. The next prime is 7172500157. The reversal of 7172500132 is 2310052717.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 7172500132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4130757 + ... + 4132492.

Almost surely, 2^7172500132 is an apocalyptic number.

It is an amenable number.

7172500132 is an abundant number, since it is smaller than the sum of its proper divisors (7635243868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7172500132 is a wasteful number, since it uses less digits than its factorization.

7172500132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8263291 (or 8263289 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 7172500132 is about 84690.6141907118. The cubic root of 7172500132 is about 1928.5172224038.

Adding to 7172500132 its reverse (2310052717), we get a palindrome (9482552849).

The spelling of 7172500132 in words is "seven billion, one hundred seventy-two million, five hundred thousand, one hundred thirty-two".