242740772 has 12 divisors (see below), whose sum is σ = 430174080. Its totient is φ = 119833896.

The previous prime is 242740753. The next prime is 242740793. The reversal of 242740772 is 277047242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383768 + ... + 384399.

It is an arithmetic number, because the mean of its divisors is an integer number (35847840).

Almost surely, 2^242740772 is an apocalyptic number.

It is an amenable number.

242740772 is a deficient number, since it is larger than the sum of its proper divisors (187433308).

242740772 is a wasteful number, since it uses less digits than its factorization.

242740772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768250 (or 768248 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 242740772 is about 15580.1403074555. The cubic root of 242740772 is about 623.8031683868.

The spelling of 242740772 in words is "two hundred forty-two million, seven hundred forty thousand, seven hundred seventy-two".