74443163 has 4 divisors (see below), whose sum is σ = 74462160. Its totient is φ = 74424168.

The previous prime is 74443141. The next prime is 74443169. The reversal of 74443163 is 36134447.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74443163 - 2⁶ = 74443099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74443169) 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 3 ways as a sum of consecutive naturals, for example, 1208 + ... + 12261.

It is an arithmetic number, because the mean of its divisors is an integer number (18615540).

Almost surely, 2^74443163 is an apocalyptic number.

74443163 is a deficient number, since it is larger than the sum of its proper divisors (18997).

74443163 is a wasteful number, since it uses less digits than its factorization.

74443163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18996.

The product of its digits is 24192, while the sum is 32.

The square root of 74443163 is about 8628.0451436000. The cubic root of 74443163 is about 420.6700623203.

The spelling of 74443163 in words is "seventy-four million, four hundred forty-three thousand, one hundred sixty-three".