74444212 has 12 divisors (see below), whose sum is σ = 130368420. Its totient is φ = 37196096.

The previous prime is 74444203. The next prime is 74444221. The reversal of 74444212 is 21244447.

It is an interprime number because it is at equal distance from previous prime (74444203) and next prime (74444221).

It can be written as a sum of positive squares in 2 ways, for example, as 18284176 + 56160036 = 4276^2 + 7494^2 .

It is a congruent number.

It is an unprimeable number.

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, 864 + ... + 12232.

It is an arithmetic number, because the mean of its divisors is an integer number (10864035).

Almost surely, 2^74444212 is an apocalyptic number.

It is an amenable number.

74444212 is a deficient number, since it is larger than the sum of its proper divisors (55924208).

74444212 is a wasteful number, since it uses less digits than its factorization.

74444212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13010 (or 13008 counting only the distinct ones).

The product of its digits is 7168, while the sum is 28.

The square root of 74444212 is about 8628.1059335175. The cubic root of 74444212 is about 420.6720382386.

Adding to 74444212 its reverse (21244447), we get a palindrome (95688659).

The spelling of 74444212 in words is "seventy-four million, four hundred forty-four thousand, two hundred twelve".