74444218 has 8 divisors (see below), whose sum is σ = 115516980. Its totient is φ = 35938560.

The previous prime is 74444203. The next prime is 74444221. The reversal of 74444218 is 81244447.

It can be written as a sum of positive squares in 2 ways, for example, as 72709729 + 1734489 = 8527^2 + 1317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641703 + ... + 641818.

Almost surely, 2^74444218 is an apocalyptic number.

74444218 is a deficient number, since it is larger than the sum of its proper divisors (41072762).

74444218 is a wasteful number, since it uses less digits than its factorization.

74444218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283552.

The product of its digits is 28672, while the sum is 34.

The square root of 74444218 is about 8628.1062812184. The cubic root of 74444218 is about 420.6720495403.

The spelling of 74444218 in words is "seventy-four million, four hundred forty-four thousand, two hundred eighteen".