242768836 has 6 divisors (see below), whose sum is σ = 424845470. Its totient is φ = 121384416.

The previous prime is 242768821. The next prime is 242768839. The reversal of 242768836 is 638867242.

It can be written as a sum of positive squares in only one way, i.e., 238887936 + 3880900 = 15456^2 + 1970^2 .

It is not an unprimeable number, because it can be changed into a prime (242768839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30346101 + ... + 30346108.

Almost surely, 2^242768836 is an apocalyptic number.

It is an amenable number.

242768836 is a deficient number, since it is larger than the sum of its proper divisors (182076634).

242768836 is a wasteful number, since it uses less digits than its factorization.

242768836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60692213 (or 60692211 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 242768836 is about 15581.0409151635. The cubic root of 242768836 is about 623.8272073885.

The spelling of 242768836 in words is "two hundred forty-two million, seven hundred sixty-eight thousand, eight hundred thirty-six".