74443563 has 8 divisors (see below), whose sum is σ = 110286800. Its totient is φ = 49629024.

The previous prime is 74443553. The next prime is 74443583. The reversal of 74443563 is 36534447.

It is a happy number.

It is not a de Polignac number, because 74443563 - 2⁵ = 74443531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74443553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378558 + ... + 1378611.

It is an arithmetic number, because the mean of its divisors is an integer number (13785850).

Almost surely, 2^74443563 is an apocalyptic number.

74443563 is a deficient number, since it is larger than the sum of its proper divisors (35843237).

74443563 is a wasteful number, since it uses less digits than its factorization.

74443563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757178 (or 2757172 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 74443563 is about 8628.0683237907. The cubic root of 74443563 is about 420.6708157709.

The spelling of 74443563 in words is "seventy-four million, four hundred forty-three thousand, five hundred sixty-three".