242430073 has 2 divisors, whose sum is σ = 242430074. Its totient is φ = 242430072.

The previous prime is 242430029. The next prime is 242430113. The reversal of 242430073 is 370034242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171819664 + 70610409 = 13108^2 + 8403^2 .

It is a cyclic number.

It is not a de Polignac number, because 242430073 - 2²¹ = 240332921 is a prime.

It is not a weakly prime, because it can be changed into another prime (242430673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121215036 + 121215037.

It is an arithmetic number, because the mean of its divisors is an integer number (121215037).

Almost surely, 2^242430073 is an apocalyptic number.

It is an amenable number.

242430073 is a deficient number, since it is larger than the sum of its proper divisors (1).

242430073 is an equidigital number, since it uses as much as digits as its factorization.

242430073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 242430073 is about 15570.1661198588. The cubic root of 242430073 is about 623.5369066050.

The spelling of 242430073 in words is "two hundred forty-two million, four hundred thirty thousand, seventy-three".