171793242 has 24 divisors (see below), whose sum is σ = 376933440. Its totient is φ = 56539080.

The previous prime is 171793241. The next prime is 171793249. The reversal of 171793242 is 242397171.

It is a junction number, because it is equal to n+sod(n) for n = 171793197 and 171793206.

It is not an unprimeable number, because it can be changed into a prime (171793241) 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, 58984 + ... + 61827.

It is an arithmetic number, because the mean of its divisors is an integer number (15705560).

Almost surely, 2^171793242 is an apocalyptic number.

171793242 is an abundant number, since it is smaller than the sum of its proper divisors (205140198).

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

171793242 is a wasteful number, since it uses less digits than its factorization.

171793242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120898 (or 120895 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 171793242 is about 13106.9921034538. The cubic root of 171793242 is about 555.9068495501.

The spelling of 171793242 in words is "one hundred seventy-one million, seven hundred ninety-three thousand, two hundred forty-two".