242170347 has 8 divisors (see below), whose sum is σ = 323373456. Its totient is φ = 161207072.

The previous prime is 242170343. The next prime is 242170349. The reversal of 242170347 is 743071242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242170347 - 2² = 242170343 is a prime.

It is a super-2 number, since 2×242170347² = 117292953932200818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242170343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57588 + ... + 61649.

It is an arithmetic number, because the mean of its divisors is an integer number (40421682).

Almost surely, 2^242170347 is an apocalyptic number.

242170347 is a deficient number, since it is larger than the sum of its proper divisors (81203109).

242170347 is a wasteful number, since it uses less digits than its factorization.

242170347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119917.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 242170347 is about 15561.8233828816. The cubic root of 242170347 is about 623.3141528664.

The spelling of 242170347 in words is "two hundred forty-two million, one hundred seventy thousand, three hundred forty-seven".