172034005 has 16 divisors (see below), whose sum is σ = 242532864. Its totient is φ = 115490880.

The previous prime is 172033933. The next prime is 172034011. The reversal of 172034005 is 500430271.

It is not a de Polignac number, because 172034005 - 2¹¹ = 172031957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119589 + ... + 121018.

It is an arithmetic number, because the mean of its divisors is an integer number (15158304).

Almost surely, 2^172034005 is an apocalyptic number.

It is an amenable number.

172034005 is a deficient number, since it is larger than the sum of its proper divisors (70498859).

172034005 is a wasteful number, since it uses less digits than its factorization.

172034005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240636.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 172034005 is about 13116.1734130043. The cubic root of 172034005 is about 556.1664238361.

Adding to 172034005 its reverse (500430271), we get a palindrome (672464276).

The spelling of 172034005 in words is "one hundred seventy-two million, thirty-four thousand, five".