172019034 has 24 divisors (see below), whose sum is σ = 406590912. Its totient is φ = 52126920.

The previous prime is 172018999. The next prime is 172019041. The reversal of 172019034 is 430910271.

It is a junction number, because it is equal to n+sod(n) for n = 172018989 and 172019007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434194 + ... + 434589.

It is an arithmetic number, because the mean of its divisors is an integer number (16941288).

Almost surely, 2^172019034 is an apocalyptic number.

172019034 is an abundant number, since it is smaller than the sum of its proper divisors (234571878).

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

172019034 is a wasteful number, since it uses less digits than its factorization.

172019034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868802 (or 868799 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 172019034 is about 13115.6026929760. The cubic root of 172019034 is about 556.1502901865.

The spelling of 172019034 in words is "one hundred seventy-two million, nineteen thousand, thirty-four".