242472719 has 2 divisors, whose sum is σ = 242472720. Its totient is φ = 242472718.

The previous prime is 242472709. The next prime is 242472733. The reversal of 242472719 is 917274242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242472719 is a prime.

It is a super-2 number, since 2×242472719² = 117586038918505922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242472709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121236359 + 121236360.

It is an arithmetic number, because the mean of its divisors is an integer number (121236360).

Almost surely, 2^242472719 is an apocalyptic number.

242472719 is a deficient number, since it is larger than the sum of its proper divisors (1).

242472719 is an equidigital number, since it uses as much as digits as its factorization.

242472719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 242472719 is about 15571.5355376405. The cubic root of 242472719 is about 623.5734666949.

The spelling of 242472719 in words is "two hundred forty-two million, four hundred seventy-two thousand, seven hundred nineteen".