74939303608 has 96 divisors (see below), whose sum is σ = 158154822000. Its totient is φ = 33245282304.

The previous prime is 74939303567. The next prime is 74939303641. The reversal of 74939303608 is 80630393947.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4142968 + ... + 4161016.

Almost surely, 2^74939303608 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 74939303608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79077411000).

74939303608 is an abundant number, since it is smaller than the sum of its proper divisors (83215518392).

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

74939303608 is a wasteful number, since it uses less digits than its factorization.

74939303608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18201 (or 18184 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 74939303608 in words is "seventy-four billion, nine hundred thirty-nine million, three hundred three thousand, six hundred eight".