74218112 has 16 divisors (see below), whose sum is σ = 147856650. Its totient is φ = 37108992.

The previous prime is 74218103. The next prime is 74218117. The reversal of 74218112 is 21181247.

It can be written as a sum of positive squares in only one way, i.e., 63616576 + 10601536 = 7976^2 + 3256^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (74218117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289787 + ... + 290042.

Almost surely, 2^74218112 is an apocalyptic number.

It is an amenable number.

74218112 is a deficient number, since it is larger than the sum of its proper divisors (73638538).

74218112 is an equidigital number, since it uses as much as digits as its factorization.

74218112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579843 (or 579831 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 74218112 is about 8614.9934416690. The cubic root of 74218112 is about 420.2457216694.

Adding to 74218112 its reverse (21181247), we get a palindrome (95399359).

The spelling of 74218112 in words is "seventy-four million, two hundred eighteen thousand, one hundred twelve".