172347234 has 16 divisors (see below), whose sum is σ = 359681472. Its totient is φ = 54951248.

The previous prime is 172347229. The next prime is 172347239. The reversal of 172347234 is 432743271.

172347234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (172347229) and next prime (172347239).

It is a junction number, because it is equal to n+sod(n) for n = 172347195 and 172347204.

It is not an unprimeable number, because it can be changed into a prime (172347239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624309 + ... + 624584.

It is an arithmetic number, because the mean of its divisors is an integer number (22480092).

Almost surely, 2^172347234 is an apocalyptic number.

172347234 is an abundant number, since it is smaller than the sum of its proper divisors (187334238).

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

172347234 is a wasteful number, since it uses less digits than its factorization.

172347234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248921.

The product of its digits is 28224, while the sum is 33.

The square root of 172347234 is about 13128.1085461692. The cubic root of 172347234 is about 556.5037637917.

The spelling of 172347234 in words is "one hundred seventy-two million, three hundred forty-seven thousand, two hundred thirty-four".