43040975 has 6 divisors (see below), whose sum is σ = 53370840. Its totient is φ = 34432760.

The previous prime is 43040969. The next prime is 43040993. The reversal of 43040975 is 57904034.

It is not a de Polignac number, because 43040975 - 2⁶ = 43040911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 860795 + ... + 860844.

It is an arithmetic number, because the mean of its divisors is an integer number (8895140).

Almost surely, 2^43040975 is an apocalyptic number.

43040975 is a deficient number, since it is larger than the sum of its proper divisors (10329865).

43040975 is a wasteful number, since it uses less digits than its factorization.

43040975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721649 (or 1721644 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 43040975 is about 6560.5620948208. The cubic root of 43040975 is about 350.4510511259.

The spelling of 43040975 in words is "forty-three million, forty thousand, nine hundred seventy-five".