242727729 has 16 divisors (see below), whose sum is σ = 327966144. Its totient is φ = 159667200.

The previous prime is 242727721. The next prime is 242727731. The reversal of 242727729 is 927727242.

It is not a de Polignac number, because 242727729 - 2³ = 242727721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242727721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80214 + ... + 83184.

It is an arithmetic number, because the mean of its divisors is an integer number (20497884).

Almost surely, 2^242727729 is an apocalyptic number.

It is an amenable number.

242727729 is a deficient number, since it is larger than the sum of its proper divisors (85238415).

242727729 is a wasteful number, since it uses less digits than its factorization.

242727729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328.

The product of its digits is 197568, while the sum is 42.

The square root of 242727729 is about 15579.7217240874. The cubic root of 242727729 is about 623.7919954108.

It can be divided in two parts, 2 and 42727729, that multiplied together give a palindrome (85455458).

The spelling of 242727729 in words is "two hundred forty-two million, seven hundred twenty-seven thousand, seven hundred twenty-nine".