74404761218 has 16 divisors (see below), whose sum is σ = 112769990424. Its totient is φ = 36814848000.

The previous prime is 74404761181. The next prime is 74404761323. The reversal of 74404761218 is 81216740447.

It can be written as a sum of positive squares in 4 ways, for example, as 48098191969 + 26306569249 = 219313^2 + 162193^2 .

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 7 ways as a sum of consecutive naturals, for example, 2643218 + ... + 2671218.

Almost surely, 2^74404761218 is an apocalyptic number.

74404761218 is a deficient number, since it is larger than the sum of its proper divisors (38365229206).

74404761218 is a wasteful number, since it uses less digits than its factorization.

74404761218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41797.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 74404761218 in words is "seventy-four billion, four hundred four million, seven hundred sixty-one thousand, two hundred eighteen".