74353434208 has 24 divisors (see below), whose sum is σ = 154994108472. Its totient is φ = 34989851136.

The previous prime is 74353434203. The next prime is 74353434251. The reversal of 74353434208 is 80243435347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74353434203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68339010 + ... + 68340097.

It is an arithmetic number, because the mean of its divisors is an integer number (6458087853).

Almost surely, 2^74353434208 is an apocalyptic number.

It is an amenable number.

74353434208 is an abundant number, since it is smaller than the sum of its proper divisors (80640674264).

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

74353434208 is a wasteful number, since it uses less digits than its factorization.

74353434208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136679134 (or 136679126 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 74353434208 in words is "seventy-four billion, three hundred fifty-three million, four hundred thirty-four thousand, two hundred eight".