4242743 has 4 divisors (see below), whose sum is σ = 4248240. Its totient is φ = 4237248.

The previous prime is 4242713. The next prime is 4242751. The reversal of 4242743 is 3472424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4242743 - 2¹⁴ = 4226359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355 + ... + 3212.

It is an arithmetic number, because the mean of its divisors is an integer number (1062060).

Almost surely, 2^4242743 is an apocalyptic number.

4242743 is a deficient number, since it is larger than the sum of its proper divisors (5497).

4242743 is an equidigital number, since it uses as much as digits as its factorization.

4242743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496.

The product of its digits is 5376, while the sum is 26.

The square root of 4242743 is about 2059.7919797883. The cubic root of 4242743 is about 161.8883419979. Note that the first 3 decimals are identical.

The spelling of 4242743 in words is "four million, two hundred forty-two thousand, seven hundred forty-three".