172571334 has 16 divisors (see below), whose sum is σ = 371692272. Its totient is φ = 53098848.

The previous prime is 172571317. The next prime is 172571363. The reversal of 172571334 is 433175271.

It is a junction number, because it is equal to n+sod(n) for n = 172571295 and 172571304.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1106149 + ... + 1106304.

It is an arithmetic number, because the mean of its divisors is an integer number (23230767).

Almost surely, 2^172571334 is an apocalyptic number.

172571334 is an abundant number, since it is smaller than the sum of its proper divisors (199120938).

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

172571334 is a wasteful number, since it uses less digits than its factorization.

172571334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212471.

The product of its digits is 17640, while the sum is 33.

The square root of 172571334 is about 13136.6408948407. The cubic root of 172571334 is about 556.7448632585.

The spelling of 172571334 in words is "one hundred seventy-two million, five hundred seventy-one thousand, three hundred thirty-four".