49743 has 6 divisors (see below), whose sum is σ = 71864. Its totient is φ = 33156.

The previous prime is 49741. The next prime is 49747. The reversal of 49743 is 34794.

49743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49743 - 2¹ = 49741 is a prime.

It is a Duffinian number.

49743 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2755 + ... + 2772.

2⁴⁹⁷⁴³ is an apocalyptic number.

49743 is a deficient number, since it is larger than the sum of its proper divisors (22121).

49743 is a wasteful number, since it uses less digits than its factorization.

49743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533 (or 5530 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 49743 is about 223.0313879256. The cubic root of 49743 is about 36.7770867917. Note that the first 3 decimals are identical.

Adding to 49743 its sum of digits (27), we get a triangular number (49770 = T₃₁₅).

The spelling of 49743 in words is "forty-nine thousand, seven hundred forty-three".