171707049 has 6 divisors (see below), whose sum is σ = 248021306. Its totient is φ = 114471360.

The previous prime is 171706993. The next prime is 171707059. The reversal of 171707049 is 940707171.

It can be written as a sum of positive squares in only one way, i.e., 102151449 + 69555600 = 10107^2 + 8340^2 .

It is not a de Polignac number, because 171707049 - 2⁸ = 171706793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171707059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9539272 + ... + 9539289.

Almost surely, 2^171707049 is an apocalyptic number.

It is an amenable number.

171707049 is a deficient number, since it is larger than the sum of its proper divisors (76314257).

171707049 is a wasteful number, since it uses less digits than its factorization.

171707049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19078567 (or 19078564 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 171707049 is about 13103.7036367586. The cubic root of 171707049 is about 555.8138631707.

The spelling of 171707049 in words is "one hundred seventy-one million, seven hundred seven thousand, forty-nine".