172471334 has 16 divisors (see below), whose sum is σ = 297996288. Its totient is φ = 73333512.

The previous prime is 172471291. The next prime is 172471357. The reversal of 172471334 is 433174271.

It is a super-2 number, since 2×172471334² = 59492722103479112, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 172471334.

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, 46724 + ... + 50279.

It is an arithmetic number, because the mean of its divisors is an integer number (18624768).

Almost surely, 2^172471334 is an apocalyptic number.

172471334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

172471334 is a deficient number, since it is larger than the sum of its proper divisors (125524954).

172471334 is a wasteful number, since it uses less digits than its factorization.

172471334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97139.

The product of its digits is 14112, while the sum is 32.

The square root of 172471334 is about 13132.8341952528. The cubic root of 172471334 is about 556.6373034021.

It can be divided in two parts, 17247 and 1334, that added together give a palindrome (18581).

The spelling of 172471334 in words is "one hundred seventy-two million, four hundred seventy-one thousand, three hundred thirty-four".