172319334 has 32 divisors (see below), whose sum is σ = 388938240. Its totient is φ = 50416800.

The previous prime is 172319317. The next prime is 172319339. The reversal of 172319334 is 433913271.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 172319295 and 172319304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172319339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43102 + ... + 46929.

It is an arithmetic number, because the mean of its divisors is an integer number (12154320).

Almost surely, 2^172319334 is an apocalyptic number.

172319334 is an abundant number, since it is smaller than the sum of its proper divisors (216618906).

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

172319334 is a wasteful number, since it uses less digits than its factorization.

172319334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90076.

The product of its digits is 13608, while the sum is 33.

The square root of 172319334 is about 13127.0458976877. The cubic root of 172319334 is about 556.4737327655.

It can be divided in two parts, 17231 and 9334, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 172319334 in words is "one hundred seventy-two million, three hundred nineteen thousand, three hundred thirty-four".