74109819100 has 72 divisors (see below), whose sum is σ = 161914633328. Its totient is φ = 29442355200.

The previous prime is 74109819031. The next prime is 74109819131. The reversal of 74109819100 is 191890147.

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, 13333522 + ... + 13339078.

Almost surely, 2^74109819100 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 74109819100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80957316664).

74109819100 is an abundant number, since it is smaller than the sum of its proper divisors (87804814228).

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

74109819100 is a wasteful number, since it uses less digits than its factorization.

74109819100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455 (or 6448 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 74109819100 in words is "seventy-four billion, one hundred nine million, eight hundred nineteen thousand, one hundred".