242708671 has 2 divisors, whose sum is σ = 242708672. Its totient is φ = 242708670.

The previous prime is 242708623. The next prime is 242708693. The reversal of 242708671 is 176807242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242708671 - 2²¹ = 240611519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242708671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242708171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121354335 + 121354336.

It is an arithmetic number, because the mean of its divisors is an integer number (121354336).

Almost surely, 2^242708671 is an apocalyptic number.

242708671 is a deficient number, since it is larger than the sum of its proper divisors (1).

242708671 is an equidigital number, since it uses as much as digits as its factorization.

242708671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 242708671 is about 15579.1100836986. The cubic root of 242708671 is about 623.7756691083.

The spelling of 242708671 in words is "two hundred forty-two million, seven hundred eight thousand, six hundred seventy-one".