242749768 has 16 divisors (see below), whose sum is σ = 460640880. Its totient is φ = 119912208.

The previous prime is 242749753. The next prime is 242749769. The reversal of 242749768 is 867947242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (242749769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182130 + ... + 183457.

It is an arithmetic number, because the mean of its divisors is an integer number (28790055).

Almost surely, 2^242749768 is an apocalyptic number.

It is an amenable number.

242749768 is a deficient number, since it is larger than the sum of its proper divisors (217891112).

242749768 is a wasteful number, since it uses less digits than its factorization.

242749768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365676 (or 365672 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 242749768 is about 15580.4290056468. The cubic root of 242749768 is about 623.8108743632.

The spelling of 242749768 in words is "two hundred forty-two million, seven hundred forty-nine thousand, seven hundred sixty-eight".