242173895 has 16 divisors (see below), whose sum is σ = 294840000. Its totient is φ = 190933248.

The previous prime is 242173847. The next prime is 242173901. The reversal of 242173895 is 598371242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242173895 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172406 + ... + 173804.

It is an arithmetic number, because the mean of its divisors is an integer number (18427500).

Almost surely, 2^242173895 is an apocalyptic number.

242173895 is a deficient number, since it is larger than the sum of its proper divisors (52666105).

242173895 is a wasteful number, since it uses less digits than its factorization.

242173895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its digits is 120960, while the sum is 41.

The square root of 242173895 is about 15561.9373793882. The cubic root of 242173895 is about 623.3171968777.

The spelling of 242173895 in words is "two hundred forty-two million, one hundred seventy-three thousand, eight hundred ninety-five".