74303443 has 2 divisors, whose sum is σ = 74303444. Its totient is φ = 74303442.

The previous prime is 74303431. The next prime is 74303473. The reversal of 74303443 is 34430347.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74303443 is a prime.

It is not a weakly prime, because it can be changed into another prime (74303473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37151721 + 37151722.

It is an arithmetic number, because the mean of its divisors is an integer number (37151722).

Almost surely, 2^74303443 is an apocalyptic number.

74303443 is a deficient number, since it is larger than the sum of its proper divisors (1).

74303443 is an equidigital number, since it uses as much as digits as its factorization.

74303443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 74303443 is about 8619.9444893804. The cubic root of 74303443 is about 420.4067167524.

It can be divided in two parts, 7430344 and 3, that added together give a palindrome (7430347).

The spelling of 74303443 in words is "seventy-four million, three hundred three thousand, four hundred forty-three".