172130744 has 16 divisors (see below), whose sum is σ = 322898400. Its totient is φ = 86024512.

The previous prime is 172130743. The next prime is 172130759. The reversal of 172130744 is 447031271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172130743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20129 + ... + 27375.

It is an arithmetic number, because the mean of its divisors is an integer number (20181150).

Almost surely, 2^172130744 is an apocalyptic number.

It is an amenable number.

172130744 is a deficient number, since it is larger than the sum of its proper divisors (150767656).

172130744 is a wasteful number, since it uses less digits than its factorization.

172130744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222 (or 10218 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 172130744 is about 13119.8606699919. The cubic root of 172130744 is about 556.2706530395.

The spelling of 172130744 in words is "one hundred seventy-two million, one hundred thirty thousand, seven hundred forty-four".