74404441 has 2 divisors, whose sum is σ = 74404442. Its totient is φ = 74404440.

The previous prime is 74404423. The next prime is 74404453. The reversal of 74404441 is 14440447.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46526041 + 27878400 = 6821^2 + 5280^2 .

It is a cyclic number.

It is not a de Polignac number, because 74404441 - 2¹⁷ = 74273369 is a prime.

It is not a weakly prime, because it can be changed into another prime (74404481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37202220 + 37202221.

It is an arithmetic number, because the mean of its divisors is an integer number (37202221).

Almost surely, 2^74404441 is an apocalyptic number.

It is an amenable number.

74404441 is a deficient number, since it is larger than the sum of its proper divisors (1).

74404441 is an equidigital number, since it uses as much as digits as its factorization.

74404441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 74404441 is about 8625.8008903522. The cubic root of 74404441 is about 420.5971117604.

Adding to 74404441 its reverse (14440447), we get a palindrome (88844888).

It can be divided in two parts, 7440 and 4441, that added together give a square (11881 = 109²).

The spelling of 74404441 in words is "seventy-four million, four hundred four thousand, four hundred forty-one".