172341604 has 6 divisors (see below), whose sum is σ = 301597814. Its totient is φ = 86170800.

The previous prime is 172341509. The next prime is 172341629. The reversal of 172341604 is 406143271.

It can be written as a sum of positive squares in only one way, i.e., 154952704 + 17388900 = 12448^2 + 4170^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21542697 + ... + 21542704.

Almost surely, 2^172341604 is an apocalyptic number.

It is an amenable number.

172341604 is a deficient number, since it is larger than the sum of its proper divisors (129256210).

172341604 is a wasteful number, since it uses less digits than its factorization.

172341604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43085405 (or 43085403 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 172341604 is about 13127.8941190124. The cubic root of 172341604 is about 556.4977040284.

Adding to 172341604 its reverse (406143271), we get a palindrome (578484875).

The spelling of 172341604 in words is "one hundred seventy-two million, three hundred forty-one thousand, six hundred four".