74440441 has 2 divisors, whose sum is σ = 74440442. Its totient is φ = 74440440.

The previous prime is 74440409. The next prime is 74440453. The reversal of 74440441 is 14404447.

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., 46308025 + 28132416 = 6805^2 + 5304^2 .

It is a cyclic number.

It is not a de Polignac number, because 74440441 - 2⁵ = 74440409 is a prime.

It is not a weakly prime, because it can be changed into another prime (74440481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37220220 + 37220221.

It is an arithmetic number, because the mean of its divisors is an integer number (37220221).

Almost surely, 2^74440441 is an apocalyptic number.

It is an amenable number.

74440441 is a deficient number, since it is larger than the sum of its proper divisors (1).

74440441 is an equidigital number, since it uses as much as digits as its factorization.

74440441 is an odious number, because the sum of its binary digits is odd.

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

The square root of 74440441 is about 8627.8874007488. The cubic root of 74440441 is about 420.6649350178.

Adding to 74440441 its reverse (14404447), we get a palindrome (88844888).

The spelling of 74440441 in words is "seventy-four million, four hundred forty thousand, four hundred forty-one".