242370666 has 24 divisors (see below), whose sum is σ = 556027524. Its totient is φ = 76037760.

The previous prime is 242370659. The next prime is 242370703. The reversal of 242370666 is 666073242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199402641 + 42968025 = 14121^2 + 6555^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242370666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 395725 + ... + 396336.

Almost surely, 2^242370666 is an apocalyptic number.

242370666 is an abundant number, since it is smaller than the sum of its proper divisors (313656858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242370666 is a wasteful number, since it uses less digits than its factorization.

242370666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792086 (or 792083 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 242370666 is about 15568.2582840856. The cubic root of 242370666 is about 623.4859702907.

The spelling of 242370666 in words is "two hundred forty-two million, three hundred seventy thousand, six hundred sixty-six".