242726785 has 16 divisors (see below), whose sum is σ = 334814976. Its totient is φ = 165475008.

The previous prime is 242726773. The next prime is 242726791. The reversal of 242726785 is 587627242.

It is a cyclic number.

It is not a de Polignac number, because 242726785 - 2⁷ = 242726657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13989 + ... + 26098.

It is an arithmetic number, because the mean of its divisors is an integer number (20925936).

Almost surely, 2^242726785 is an apocalyptic number.

It is an amenable number.

242726785 is a deficient number, since it is larger than the sum of its proper divisors (92088191).

242726785 is a wasteful number, since it uses less digits than its factorization.

242726785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40272.

The product of its digits is 376320, while the sum is 43.

The square root of 242726785 is about 15579.6914282665. The cubic root of 242726785 is about 623.7911867401.

The spelling of 242726785 in words is "two hundred forty-two million, seven hundred twenty-six thousand, seven hundred eighty-five".