74448213 has 16 divisors (see below), whose sum is σ = 119416320. Its totient is φ = 40302576.

The previous prime is 74448203. The next prime is 74448229. The reversal of 74448213 is 31284447.

It is not a de Polignac number, because 74448213 - 2⁴ = 74448197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74448203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92895 + ... + 93692.

It is an arithmetic number, because the mean of its divisors is an integer number (7463520).

Almost surely, 2^74448213 is an apocalyptic number.

It is an amenable number.

74448213 is a deficient number, since it is larger than the sum of its proper divisors (44968107).

74448213 is a wasteful number, since it uses less digits than its factorization.

74448213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186616.

The product of its digits is 21504, while the sum is 33.

The square root of 74448213 is about 8628.3377889371. The cubic root of 74448213 is about 420.6795744353.

The spelling of 74448213 in words is "seventy-four million, four hundred forty-eight thousand, two hundred thirteen".