74218118 has 16 divisors (see below), whose sum is σ = 122816736. Its totient is φ = 33418560.

The previous prime is 74218117. The next prime is 74218121. The reversal of 74218118 is 81181247.

It is a Curzon number.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33746 + ... + 35877.

It is an arithmetic number, because the mean of its divisors is an integer number (7676046).

Almost surely, 2^74218118 is an apocalyptic number.

74218118 is a deficient number, since it is larger than the sum of its proper divisors (48598618).

74218118 is a wasteful number, since it uses less digits than its factorization.

74218118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69679.

The product of its digits is 3584, while the sum is 32.

The square root of 74218118 is about 8614.9937898991. The cubic root of 74218118 is about 420.2457329940.

The spelling of 74218118 in words is "seventy-four million, two hundred eighteen thousand, one hundred eighteen".