242908730 has 16 divisors (see below), whose sum is σ = 460248480. Its totient is φ = 92049552.

The previous prime is 242908693. The next prime is 242908747. The reversal of 242908730 is 37809242.

242908730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×242908730² = 118009302220425800, 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, 639044 + ... + 639423.

It is an arithmetic number, because the mean of its divisors is an integer number (28765530).

Almost surely, 2^242908730 is an apocalyptic number.

242908730 is a deficient number, since it is larger than the sum of its proper divisors (217339750).

242908730 is a wasteful number, since it uses less digits than its factorization.

242908730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278493.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 242908730 is about 15585.5295065647. The cubic root of 242908730 is about 623.9470098685.

The spelling of 242908730 in words is "two hundred forty-two million, nine hundred eight thousand, seven hundred thirty".