242724818 has 16 divisors (see below), whose sum is σ = 419140224. Its totient is φ = 103264800.

The previous prime is 242724817. The next prime is 242724821. The reversal of 242724818 is 818427242.

It is not an unprimeable number, because it can be changed into a prime (242724817) 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, 61358 + ... + 65193.

It is an arithmetic number, because the mean of its divisors is an integer number (26196264).

Almost surely, 2^242724818 is an apocalyptic number.

242724818 is a deficient number, since it is larger than the sum of its proper divisors (176415406).

242724818 is a wasteful number, since it uses less digits than its factorization.

242724818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126697.

The product of its digits is 57344, while the sum is 38.

The square root of 242724818 is about 15579.6283010860. The cubic root of 242724818 is about 623.7895017172.

The spelling of 242724818 in words is "two hundred forty-two million, seven hundred twenty-four thousand, eight hundred eighteen".