242740068 has 24 divisors (see below), whose sum is σ = 591019968. Its totient is φ = 77395296.

The previous prime is 242740019. The next prime is 242740073. The reversal of 242740068 is 860047242.

It is a super-2 number, since 2×242740068² = 117845481225289248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439471 + ... + 440022.

It is an arithmetic number, because the mean of its divisors is an integer number (24625832).

Almost surely, 2^242740068 is an apocalyptic number.

It is an amenable number.

242740068 is an abundant number, since it is smaller than the sum of its proper divisors (348279900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242740068 is a wasteful number, since it uses less digits than its factorization.

242740068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879523 (or 879521 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 242740068 is about 15580.1177145746. The cubic root of 242740068 is about 623.8025653321.

The spelling of 242740068 in words is "two hundred forty-two million, seven hundred forty thousand, sixty-eight".