75541943 has 2 divisors, whose sum is σ = 75541944. Its totient is φ = 75541942.

The previous prime is 75541909. The next prime is 75542003. The reversal of 75541943 is 34914557.

It is a weak prime.

It is an emirp because it is prime and its reverse (34914557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75541943 - 2¹⁰ = 75540919 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 75541897 and 75541906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75541903) 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 as a sum of consecutive naturals, namely, 37770971 + 37770972.

It is an arithmetic number, because the mean of its divisors is an integer number (37770972).

Almost surely, 2^75541943 is an apocalyptic number.

75541943 is a deficient number, since it is larger than the sum of its proper divisors (1).

75541943 is an equidigital number, since it uses as much as digits as its factorization.

75541943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 75541943 is about 8691.4868118176. The cubic root of 75541943 is about 422.7296567806.

The spelling of 75541943 in words is "seventy-five million, five hundred forty-one thousand, nine hundred forty-three".