75043 has 4 divisors (see below), whose sum is σ = 75888. Its totient is φ = 74200.

The previous prime is 75041. The next prime is 75079. The reversal of 75043 is 34057.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 75043 - 2¹ = 75041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75043.

It is not an unprimeable number, because it can be changed into a prime (75041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271 + ... + 472.

It is an arithmetic number, because the mean of its divisors is an integer number (18972).

2⁷⁵⁰⁴³ is an apocalyptic number.

75043 is a deficient number, since it is larger than the sum of its proper divisors (845).

75043 is a wasteful number, since it uses less digits than its factorization.

75043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 75043 is about 273.9397744031. The cubic root of 75043 is about 42.1796911930.

It can be divided in two parts, 7 and 5043, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 75043 in words is "seventy-five thousand, forty-three".