242665073 has 8 divisors (see below), whose sum is σ = 278523648. Its totient is φ = 207104544.

The previous prime is 242665061. The next prime is 242665079. The reversal of 242665073 is 370566242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242665073 - 2⁴ = 242665057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242665079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72761 + ... + 76022.

It is an arithmetic number, because the mean of its divisors is an integer number (34815456).

Almost surely, 2^242665073 is an apocalyptic number.

It is an amenable number.

242665073 is a deficient number, since it is larger than the sum of its proper divisors (35858575).

242665073 is a wasteful number, since it uses less digits than its factorization.

242665073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149023.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 242665073 is about 15577.7107753354. The cubic root of 242665073 is about 623.7383170570.

The spelling of 242665073 in words is "two hundred forty-two million, six hundred sixty-five thousand, seventy-three".