43738 has 8 divisors (see below), whose sum is σ = 69120. Its totient is φ = 20700.

The previous prime is 43721. The next prime is 43753. The reversal of 43738 is 83734.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538 + ... + 613.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

2⁴³⁷³⁸ is an apocalyptic number.

43738 is a deficient number, since it is larger than the sum of its proper divisors (25382).

43738 is a wasteful number, since it uses less digits than its factorization.

43738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its digits is 2016, while the sum is 25.

The square root of 43738 is about 209.1363191796. The cubic root of 43738 is about 35.2332717435.

Adding to 43738 its product of digits (2016), we get a palindrome (45754).

The spelling of 43738 in words is "forty-three thousand, seven hundred thirty-eight".