171243074 has 16 divisors (see below), whose sum is σ = 272235168. Its totient is φ = 80507712.

The previous prime is 171243049. The next prime is 171243103. The reversal of 171243074 is 470342171.

It is a Curzon 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, 50129 + ... + 53435.

It is an arithmetic number, because the mean of its divisors is an integer number (17014698).

Almost surely, 2^171243074 is an apocalyptic number.

171243074 is a deficient number, since it is larger than the sum of its proper divisors (100992094).

171243074 is a wasteful number, since it uses less digits than its factorization.

171243074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 171243074 is about 13085.9876967694. The cubic root of 171243074 is about 555.3127842176.

The spelling of 171243074 in words is "one hundred seventy-one million, two hundred forty-three thousand, seventy-four".