74041549 has 2 divisors, whose sum is σ = 74041550. Its totient is φ = 74041548.

The previous prime is 74041529. The next prime is 74041589. The reversal of 74041549 is 94514047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69388900 + 4652649 = 8330^2 + 2157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74041549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74041529) 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, 37020774 + 37020775.

It is an arithmetic number, because the mean of its divisors is an integer number (37020775).

Almost surely, 2^74041549 is an apocalyptic number.

It is an amenable number.

74041549 is a deficient number, since it is larger than the sum of its proper divisors (1).

74041549 is an equidigital number, since it uses as much as digits as its factorization.

74041549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 74041549 is about 8604.7399147214. The cubic root of 74041549 is about 419.9122057612.

The spelling of 74041549 in words is "seventy-four million, forty-one thousand, five hundred forty-nine".