242743930 has 32 divisors (see below), whose sum is σ = 513330048. Its totient is φ = 81480000.

The previous prime is 242743913. The next prime is 242743931. The reversal of 242743930 is 39347242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (242743931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83446 + ... + 86305.

It is an arithmetic number, because the mean of its divisors is an integer number (16041564).

Almost surely, 2^242743930 is an apocalyptic number.

242743930 is an abundant number, since it is smaller than the sum of its proper divisors (270586118).

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

242743930 is a wasteful number, since it uses less digits than its factorization.

242743930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169782.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 242743930 is about 15580.2416540951. The cubic root of 242743930 is about 623.8058735523.

The spelling of 242743930 in words is "two hundred forty-two million, seven hundred forty-three thousand, nine hundred thirty".