242750666 has 8 divisors (see below), whose sum is σ = 364383360. Its totient is φ = 121289548.

The previous prime is 242750663. The next prime is 242750693. The reversal of 242750666 is 666057242.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242750663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39296 + ... + 45051.

It is an arithmetic number, because the mean of its divisors is an integer number (45547920).

Almost surely, 2^242750666 is an apocalyptic number.

242750666 is a deficient number, since it is larger than the sum of its proper divisors (121632694).

242750666 is a wasteful number, since it uses less digits than its factorization.

242750666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85788.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 242750666 is about 15580.4578238253. The cubic root of 242750666 is about 623.8116435798.

The spelling of 242750666 in words is "two hundred forty-two million, seven hundred fifty thousand, six hundred sixty-six".