4242742 has 8 divisors (see below), whose sum is σ = 7273296. Its totient is φ = 1818312.

The previous prime is 4242713. The next prime is 4242751. The reversal of 4242742 is 2472424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151513 + ... + 151540.

It is an arithmetic number, because the mean of its divisors is an integer number (909162).

Almost surely, 2^4242742 is an apocalyptic number.

4242742 is a deficient number, since it is larger than the sum of its proper divisors (3030554).

4242742 is a wasteful number, since it uses less digits than its factorization.

4242742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303062.

The product of its digits is 3584, while the sum is 25.

The square root of 4242742 is about 2059.7917370453. The cubic root of 4242742 is about 161.8883292791. Note that the first 3 decimals are identical.

The spelling of 4242742 in words is "four million, two hundred forty-two thousand, seven hundred forty-two".