74043879936 has 160 divisors (see below), whose sum is σ = 219285631488. Its totient is φ = 22047621120.

The previous prime is 74043879929. The next prime is 74043879941. The reversal of 74043879936 is 63997834047.

It is a self number, because there is not a number n which added to its sum of digits gives 74043879936.

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 15 ways as a sum of consecutive naturals, for example, 559200 + ... + 678816.

Almost surely, 2^74043879936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74043879936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109642815744).

74043879936 is an abundant number, since it is smaller than the sum of its proper divisors (145241751552).

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

74043879936 is a wasteful number, since it uses less digits than its factorization.

74043879936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119682 (or 119666 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 74043879936 in words is "seventy-four billion, forty-three million, eight hundred seventy-nine thousand, nine hundred thirty-six".