242708742 has 48 divisors (see below), whose sum is σ = 553962240. Its totient is φ = 76648176.

The previous prime is 242708731. The next prime is 242708749. The reversal of 242708742 is 247807242.

It is a junction number, because it is equal to n+sod(n) for n = 242708697 and 242708706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242708749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41559 + ... + 47037.

It is an arithmetic number, because the mean of its divisors is an integer number (11540880).

Almost surely, 2^242708742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242708742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276981120).

242708742 is an abundant number, since it is smaller than the sum of its proper divisors (311253498).

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

242708742 is a wasteful number, since it uses less digits than its factorization.

242708742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617 (or 5614 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 242708742 is about 15579.1123623909. The cubic root of 242708742 is about 623.7757299330.

The spelling of 242708742 in words is "two hundred forty-two million, seven hundred eight thousand, seven hundred forty-two".