75385843 has 8 divisors (see below), whose sum is σ = 81309200. Its totient is φ = 69480288.

The previous prime is 75385841. The next prime is 75385847. The reversal of 75385843 is 34858357.

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

It is a cyclic number.

It is not a de Polignac number, because 75385843 - 2¹ = 75385841 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 75385843.

It is not an unprimeable number, because it can be changed into a prime (75385841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5128 + ... + 13306.

It is an arithmetic number, because the mean of its divisors is an integer number (10163650).

Almost surely, 2^75385843 is an apocalyptic number.

75385843 is a deficient number, since it is larger than the sum of its proper divisors (5923357).

75385843 is a wasteful number, since it uses less digits than its factorization.

75385843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8901.

The product of its digits is 403200, while the sum is 43.

The square root of 75385843 is about 8682.5021163257. The cubic root of 75385843 is about 422.4382795594.

The spelling of 75385843 in words is "seventy-five million, three hundred eighty-five thousand, eight hundred forty-three".