242910073 has 4 divisors (see below), whose sum is σ = 277611520. Its totient is φ = 208208628.

The previous prime is 242910071. The next prime is 242910089. The reversal of 242910073 is 370019242.

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 a cyclic number.

It is not a de Polignac number, because 242910073 - 2¹ = 242910071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242910071) 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, 17350713 + ... + 17350726.

It is an arithmetic number, because the mean of its divisors is an integer number (69402880).

Almost surely, 2^242910073 is an apocalyptic number.

It is an amenable number.

242910073 is a deficient number, since it is larger than the sum of its proper divisors (34701447).

242910073 is an equidigital number, since it uses as much as digits as its factorization.

242910073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34701446.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 242910073 is about 15585.5725913423. The cubic root of 242910073 is about 623.9481597644.

The spelling of 242910073 in words is "two hundred forty-two million, nine hundred ten thousand, seventy-three".