74448223 has 4 divisors (see below), whose sum is σ = 74473000. Its totient is φ = 74423448.

The previous prime is 74448203. The next prime is 74448229. The reversal of 74448223 is 32284447.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74448223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74448229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7140 + ... + 14137.

It is an arithmetic number, because the mean of its divisors is an integer number (18618250).

Almost surely, 2^74448223 is an apocalyptic number.

74448223 is a deficient number, since it is larger than the sum of its proper divisors (24777).

74448223 is a wasteful number, since it uses less digits than its factorization.

74448223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24776.

The product of its digits is 43008, while the sum is 34.

The square root of 74448223 is about 8628.3383684230. The cubic root of 74448223 is about 420.6795932708.

The spelling of 74448223 in words is "seventy-four million, four hundred forty-eight thousand, two hundred twenty-three".