4539743 has 4 divisors (see below), whose sum is σ = 4888968. Its totient is φ = 4190520.

The previous prime is 4539739. The next prime is 4539749. The reversal of 4539743 is 3479354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3479354 = 2 ⋅1739677.

It is a cyclic number.

It is not a de Polignac number, because 4539743 - 2² = 4539739 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 (4539749) 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, 174593 + ... + 174618.

It is an arithmetic number, because the mean of its divisors is an integer number (1222242).

Almost surely, 2^4539743 is an apocalyptic number.

4539743 is a deficient number, since it is larger than the sum of its proper divisors (349225).

4539743 is a wasteful number, since it uses less digits than its factorization.

4539743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349224.

The product of its digits is 45360, while the sum is 35.

The square root of 4539743 is about 2130.6672663746. The cubic root of 4539743 is about 165.5809700452.

The spelling of 4539743 in words is "four million, five hundred thirty-nine thousand, seven hundred forty-three".