74723118418 has 16 divisors (see below), whose sum is σ = 127806963480. Its totient is φ = 32458910976.

The previous prime is 74723118413. The next prime is 74723118479. The reversal of 74723118418 is 81481132747.

It can be written as a sum of positive squares in 4 ways, for example, as 60660241849 + 14062876569 = 246293^2 + 118587^2 .

It is a super-2 number, since 2×74723118418² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74723118413) by changing a digit.

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, 84527973 + ... + 84528856.

Almost surely, 2^74723118418 is an apocalyptic number.

74723118418 is a deficient number, since it is larger than the sum of its proper divisors (53083845062).

74723118418 is a wasteful number, since it uses less digits than its factorization.

74723118418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169056861.

The product of its digits is 301056, while the sum is 46.

The spelling of 74723118418 in words is "seventy-four billion, seven hundred twenty-three million, one hundred eighteen thousand, four hundred eighteen".