242733 has 4 divisors (see below), whose sum is σ = 323648. Its totient is φ = 161820.

The previous prime is 242731. The next prime is 242747. The reversal of 242733 is 337242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 242733 - 2¹ = 242731 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 4² + 7 + 2¹⁵ + 3³ + 3¹¹ .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242733.

It is not an unprimeable number, because it can be changed into a prime (242731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40453 + ... + 40458.

It is an arithmetic number, because the mean of its divisors is an integer number (80912).

2²⁴²⁷³³ is an apocalyptic number.

It is an amenable number.

242733 is a deficient number, since it is larger than the sum of its proper divisors (80915).

242733 is an equidigital number, since it uses as much as digits as its factorization.

242733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80914.

The product of its digits is 1008, while the sum is 21.

The square root of 242733 is about 492.6794089466. The cubic root of 242733 is about 62.3796510736.

Adding to 242733 its reverse (337242), we get a palindrome (579975).

The spelling of 242733 in words is "two hundred forty-two thousand, seven hundred thirty-three".