242444737 has 4 divisors (see below), whose sum is σ = 247019220. Its totient is φ = 237870256.

The previous prime is 242444723. The next prime is 242444749. The reversal of 242444737 is 737444242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 737444242 = 2 ⋅368722121.

It can be written as a sum of positive squares in 2 ways, for example, as 193877776 + 48566961 = 13924^2 + 6969^2 .

It is a cyclic number.

It is not a de Polignac number, because 242444737 - 2¹¹ = 242442689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242444696 and 242444705.

It is not an unprimeable number, because it can be changed into a prime (242444537) 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, 2287162 + ... + 2287267.

It is an arithmetic number, because the mean of its divisors is an integer number (61754805).

Almost surely, 2^242444737 is an apocalyptic number.

It is an amenable number.

242444737 is a deficient number, since it is larger than the sum of its proper divisors (4574483).

242444737 is an equidigital number, since it uses as much as digits as its factorization.

242444737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574482.

The product of its digits is 150528, while the sum is 37.

The square root of 242444737 is about 15570.6370133017. The cubic root of 242444737 is about 623.5494784238.

Adding to 242444737 its reverse (737444242), we get a palindrome (979888979).

The spelling of 242444737 in words is "two hundred forty-two million, four hundred forty-four thousand, seven hundred thirty-seven".