172041424 has 20 divisors (see below), whose sum is σ = 334666080. Its totient is φ = 85676000.

The previous prime is 172041421. The next prime is 172041433. The reversal of 172041424 is 424140271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172041421) 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, 17404 + ... + 25435.

It is an arithmetic number, because the mean of its divisors is an integer number (16733304).

Almost surely, 2^172041424 is an apocalyptic number.

It is an amenable number.

172041424 is a deficient number, since it is larger than the sum of its proper divisors (162624656).

172041424 is a wasteful number, since it uses less digits than its factorization.

172041424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43098 (or 43092 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 172041424 is about 13116.4562287228. The cubic root of 172041424 is about 556.1744186496.

Adding to 172041424 its reverse (424140271), we get a palindrome (596181695).

The spelling of 172041424 in words is "one hundred seventy-two million, forty-one thousand, four hundred twenty-four".