4042743 has 8 divisors (see below), whose sum is σ = 5399808. Its totient is φ = 2690424.

The previous prime is 4042729. The next prime is 4042757. The reversal of 4042743 is 3472404.

It is an interprime number because it is at equal distance from previous prime (4042729) and next prime (4042757).

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

It is not a de Polignac number, because 4042743 - 2¹² = 4038647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130 + ... + 3552.

It is an arithmetic number, because the mean of its divisors is an integer number (674976).

Almost surely, 2^4042743 is an apocalyptic number.

4042743 is a deficient number, since it is larger than the sum of its proper divisors (1357065).

4042743 is a wasteful number, since it uses less digits than its factorization.

4042743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 4042743 is about 2010.6573551951. The cubic root of 4042743 is about 159.3035221192.

It can be divided in two parts, 40427 and 43, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 4042743 in words is "four million, forty-two thousand, seven hundred forty-three".