242740370 has 32 divisors (see below), whose sum is σ = 444495600. Its totient is φ = 95430400.

The previous prime is 242740339. The next prime is 242740417. The reversal of 242740370 is 73047242.

It can be written as a sum of positive squares in 8 ways, for example, as 137616361 + 105124009 = 11731^2 + 10253^2 .

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 15 ways as a sum of consecutive naturals, for example, 149684 + ... + 151296.

Almost surely, 2^242740370 is an apocalyptic number.

242740370 is a deficient number, since it is larger than the sum of its proper divisors (201755230).

242740370 is a wasteful number, since it uses less digits than its factorization.

242740370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 242740370 is about 15580.1274064110. The cubic root of 242740370 is about 623.8028240290.

The spelling of 242740370 in words is "two hundred forty-two million, seven hundred forty thousand, three hundred seventy".