74105441 has 2 divisors, whose sum is σ = 74105442. Its totient is φ = 74105440.

The previous prime is 74105429. The next prime is 74105443. The reversal of 74105441 is 14450147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70627216 + 3478225 = 8404^2 + 1865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74105441 is a prime.

It is a Sophie Germain prime.

Together with 74105443, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74105441.

It is not a weakly prime, because it can be changed into another prime (74105443) by changing a digit.

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 as a sum of consecutive naturals, namely, 37052720 + 37052721.

It is an arithmetic number, because the mean of its divisors is an integer number (37052721).

Almost surely, 2^74105441 is an apocalyptic number.

It is an amenable number.

74105441 is a deficient number, since it is larger than the sum of its proper divisors (1).

74105441 is an equidigital number, since it uses as much as digits as its factorization.

74105441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 74105441 is about 8608.4517190956. The cubic root of 74105441 is about 420.0329547082.

Adding to 74105441 its reverse (14450147), we get a palindrome (88555588).

The spelling of 74105441 in words is "seventy-four million, one hundred five thousand, four hundred forty-one".