242726317 has 8 divisors (see below), whose sum is σ = 252604800. Its totient is φ = 232948464.

The previous prime is 242726243. The next prime is 242726339. The reversal of 242726317 is 713627242.

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 242726317 - 2¹¹ = 242724269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242726347) 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, 20217 + ... + 29902.

It is an arithmetic number, because the mean of its divisors is an integer number (31575600).

Almost surely, 2^242726317 is an apocalyptic number.

It is an amenable number.

242726317 is a deficient number, since it is larger than the sum of its proper divisors (9878483).

242726317 is a wasteful number, since it uses less digits than its factorization.

242726317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50315.

The product of its digits is 28224, while the sum is 34.

The square root of 242726317 is about 15579.6764087063. The cubic root of 242726317 is about 623.7907858305.

The spelling of 242726317 in words is "two hundred forty-two million, seven hundred twenty-six thousand, three hundred seventeen".