74373331218 has 48 divisors (see below), whose sum is σ = 151396023168. Its totient is φ = 24357153600.

The previous prime is 74373331213. The next prime is 74373331237. The reversal of 74373331218 is 81213337347.

It is a self number, because there is not a number n which added to its sum of digits gives 74373331218.

It is not an unprimeable number, because it can be changed into a prime (74373331211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31768728 + ... + 31771068.

It is an arithmetic number, because the mean of its divisors is an integer number (3154083816).

Almost surely, 2^74373331218 is an apocalyptic number.

74373331218 is an abundant number, since it is smaller than the sum of its proper divisors (77022691950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74373331218 is a wasteful number, since it uses less digits than its factorization.

74373331218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891 (or 3830 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The spelling of 74373331218 in words is "seventy-four billion, three hundred seventy-three million, three hundred thirty-one thousand, two hundred eighteen".