74703134418 has 32 divisors (see below), whose sum is σ = 170075123712. Its totient is φ = 21653082000.

The previous prime is 74703134371. The next prime is 74703134431. The reversal of 74703134418 is 81443130747.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 74703134418.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24604258 + ... + 24607293.

It is an arithmetic number, because the mean of its divisors is an integer number (5314847616).

Almost surely, 2^74703134418 is an apocalyptic number.

74703134418 is an abundant number, since it is smaller than the sum of its proper divisors (95371989294).

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

74703134418 is a wasteful number, since it uses less digits than its factorization.

74703134418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49211590.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 74703134418 in words is "seventy-four billion, seven hundred three million, one hundred thirty-four thousand, four hundred eighteen".