171267272 has 48 divisors (see below), whose sum is σ = 365204700. Its totient is φ = 75152000.

The previous prime is 171267253. The next prime is 171267277. The reversal of 171267272 is 272762171.

It can be written as a sum of positive squares in 2 ways, for example, as 170198116 + 1069156 = 13046^2 + 1034^2 .

It is not an unprimeable number, because it can be changed into a prime (171267277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25022 + ... + 31122.

Almost surely, 2^171267272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171267272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182602350).

171267272 is an abundant number, since it is smaller than the sum of its proper divisors (193937428).

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

171267272 is a wasteful number, since it uses less digits than its factorization.

171267272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158 (or 6143 counting only the distinct ones).

The product of its digits is 16464, while the sum is 35.

The square root of 171267272 is about 13086.9122408611. The cubic root of 171267272 is about 555.3389396810.

The spelling of 171267272 in words is "one hundred seventy-one million, two hundred sixty-seven thousand, two hundred seventy-two".