43768 has 8 divisors (see below), whose sum is σ = 82080. Its totient is φ = 21880.

The previous prime is 43759. The next prime is 43777. The reversal of 43768 is 86734.

It is an interprime number because it is at equal distance from previous prime (43759) and next prime (43777).

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728 + ... + 2743.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2⁴³⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

43768 is a deficient number, since it is larger than the sum of its proper divisors (38312).

43768 is a wasteful number, since it uses less digits than its factorization.

43768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477 (or 5473 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 43768 is about 209.2080304386. The cubic root of 43768 is about 35.2413254312.

It can be divided in two parts, 437 and 68, that added together give a palindrome (505).

The spelling of 43768 in words is "forty-three thousand, seven hundred sixty-eight".