242757673 has 2 divisors, whose sum is σ = 242757674. Its totient is φ = 242757672.

The previous prime is 242757667. The next prime is 242757701. The reversal of 242757673 is 376757242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222218649 + 20539024 = 14907^2 + 4532^2 .

It is a cyclic number.

It is not a de Polignac number, because 242757673 - 2²¹ = 240660521 is a prime.

It is not a weakly prime, because it can be changed into another prime (242757973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121378836 + 121378837.

It is an arithmetic number, because the mean of its divisors is an integer number (121378837).

Almost surely, 2^242757673 is an apocalyptic number.

It is an amenable number.

242757673 is a deficient number, since it is larger than the sum of its proper divisors (1).

242757673 is an equidigital number, since it uses as much as digits as its factorization.

242757673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 43.

The square root of 242757673 is about 15580.6826872252. The cubic root of 242757673 is about 623.8176456315.

The spelling of 242757673 in words is "two hundred forty-two million, seven hundred fifty-seven thousand, six hundred seventy-three".