242474742 has 64 divisors (see below), whose sum is σ = 565977600. Its totient is φ = 76839840.

The previous prime is 242474741. The next prime is 242474753. The reversal of 242474742 is 247474242.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 242474697 and 242474706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242474741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103767 + ... + 106077.

It is an arithmetic number, because the mean of its divisors is an integer number (8843400).

Almost surely, 2^242474742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242474742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282988800).

242474742 is an abundant number, since it is smaller than the sum of its proper divisors (323502858).

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

242474742 is a wasteful number, since it uses less digits than its factorization.

242474742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418 (or 2412 counting only the distinct ones).

The product of its digits is 100352, while the sum is 36.

The square root of 242474742 is about 15571.6004957744. The cubic root of 242474742 is about 623.5752008909.

The spelling of 242474742 in words is "two hundred forty-two million, four hundred seventy-four thousand, seven hundred forty-two".