242756 has 6 divisors (see below), whose sum is σ = 424830. Its totient is φ = 121376.

The previous prime is 242747. The next prime is 242773. The reversal of 242756 is 657242.

It can be written as a sum of positive squares in only one way, i.e., 217156 + 25600 = 466^2 + 160^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30341 + ... + 30348.

It is an arithmetic number, because the mean of its divisors is an integer number (70805).

2²⁴²⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

242756 is a deficient number, since it is larger than the sum of its proper divisors (182074).

242756 is a wasteful number, since it uses less digits than its factorization.

242756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60693 (or 60691 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 242756 is about 492.7027501445. The cubic root of 242756 is about 62.3816212585.

Adding to 242756 its reverse (657242), we get a palindrome (899998).

The spelling of 242756 in words is "two hundred forty-two thousand, seven hundred fifty-six".