74043443 has 2 divisors, whose sum is σ = 74043444. Its totient is φ = 74043442.

The previous prime is 74043421. The next prime is 74043451. The reversal of 74043443 is 34434047.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74043443 - 2¹² = 74039347 is a prime.

It is not a weakly prime, because it can be changed into another prime (74043043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37021721 + 37021722.

It is an arithmetic number, because the mean of its divisors is an integer number (37021722).

Almost surely, 2^74043443 is an apocalyptic number.

74043443 is a deficient number, since it is larger than the sum of its proper divisors (1).

74043443 is an equidigital number, since it uses as much as digits as its factorization.

74043443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 74043443 is about 8604.8499696392. The cubic root of 74043443 is about 419.9157862145.

The spelling of 74043443 in words is "seventy-four million, forty-three thousand, four hundred forty-three".