171072084 has 12 divisors (see below), whose sum is σ = 399168224. Its totient is φ = 57024024.

The previous prime is 171072061. The next prime is 171072101. The reversal of 171072084 is 480270171.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7127992 + ... + 7128015.

Almost surely, 2^171072084 is an apocalyptic number.

It is an amenable number.

171072084 is an abundant number, since it is smaller than the sum of its proper divisors (228096140).

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

171072084 is a wasteful number, since it uses less digits than its factorization.

171072084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14256014 (or 14256012 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 171072084 is about 13079.4527408451. The cubic root of 171072084 is about 555.1278919618.

It can be divided in two parts, 17107 and 2084, that added together give a palindrome (19191).

The spelling of 171072084 in words is "one hundred seventy-one million, seventy-two thousand, eighty-four".