171317712 has 40 divisors (see below), whose sum is σ = 443052000. Its totient is φ = 57043840.

The previous prime is 171317689. The next prime is 171317753. The reversal of 171317712 is 217713171.

It is a self number, because there is not a number n which added to its sum of digits gives 171317712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70762 + ... + 73142.

It is an arithmetic number, because the mean of its divisors is an integer number (11076300).

Almost surely, 2^171317712 is an apocalyptic number.

171317712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171317712 is an abundant number, since it is smaller than the sum of its proper divisors (271734288).

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

171317712 is a wasteful number, since it uses less digits than its factorization.

171317712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891 (or 3885 counting only the distinct ones).

The product of its digits is 2058, while the sum is 30.

The square root of 171317712 is about 13088.8392151481. The cubic root of 171317712 is about 555.3934520354.

The spelling of 171317712 in words is "one hundred seventy-one million, three hundred seventeen thousand, seven hundred twelve".