75385441 has 4 divisors (see below), whose sum is σ = 75402900. Its totient is φ = 75367984.

The previous prime is 75385439. The next prime is 75385469. The reversal of 75385441 is 14458357.

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 can be written as a sum of positive squares in 2 ways, for example, as 47665216 + 27720225 = 6904^2 + 5265^2 .

It is a cyclic number.

It is not a de Polignac number, because 75385441 - 2¹ = 75385439 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 75385441.

It is not an unprimeable number, because it can be changed into a prime (75385411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3015 + ... + 12643.

It is an arithmetic number, because the mean of its divisors is an integer number (18850725).

Almost surely, 2^75385441 is an apocalyptic number.

It is an amenable number.

75385441 is a deficient number, since it is larger than the sum of its proper divisors (17459).

75385441 is an equidigital number, since it uses as much as digits as its factorization.

75385441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17458.

The product of its digits is 67200, while the sum is 37.

The square root of 75385441 is about 8682.4789662861. The cubic root of 75385441 is about 422.4375286647.

The spelling of 75385441 in words is "seventy-five million, three hundred eighty-five thousand, four hundred forty-one".