242724733 has 2 divisors, whose sum is σ = 242724734. Its totient is φ = 242724732.

The previous prime is 242724697. The next prime is 242724737. The reversal of 242724733 is 337427242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190495204 + 52229529 = 13802^2 + 7227^2 .

It is a cyclic number.

It is not a de Polignac number, because 242724733 - 2²¹ = 240627581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242724737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121362366 + 121362367.

It is an arithmetic number, because the mean of its divisors is an integer number (121362367).

Almost surely, 2^242724733 is an apocalyptic number.

It is an amenable number.

242724733 is a deficient number, since it is larger than the sum of its proper divisors (1).

242724733 is an equidigital number, since it uses as much as digits as its factorization.

242724733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 34.

The square root of 242724733 is about 15579.6255731645. The cubic root of 242724733 is about 623.7894289021.

The spelling of 242724733 in words is "two hundred forty-two million, seven hundred twenty-four thousand, seven hundred thirty-three".