242766742 has 4 divisors (see below), whose sum is σ = 364150116. Its totient is φ = 121383370.

The previous prime is 242766737. The next prime is 242766751. The reversal of 242766742 is 247667242.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 242766695 and 242766704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60691684 + ... + 60691687.

It is an arithmetic number, because the mean of its divisors is an integer number (91037529).

Almost surely, 2^242766742 is an apocalyptic number.

242766742 is a deficient number, since it is larger than the sum of its proper divisors (121383374).

242766742 is a wasteful number, since it uses less digits than its factorization.

242766742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121383373.

The product of its digits is 225792, while the sum is 40.

The square root of 242766742 is about 15580.9737179677. The cubic root of 242766742 is about 623.8254137784.

It can be divided in two parts, 2427 and 66742, that added together give a square (69169 = 263²).

The spelling of 242766742 in words is "two hundred forty-two million, seven hundred sixty-six thousand, seven hundred forty-two".