74417774000 has 80 divisors (see below), whose sum is σ = 180612413280. Its totient is φ = 29656236800.

The previous prime is 74417773999. The next prime is 74417774009. The reversal of 74417774000 is 47771447.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (74417774009) by changing a digit.

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, 468839 + ... + 607161.

It is an arithmetic number, because the mean of its divisors is an integer number (2257655166).

Almost surely, 2^74417774000 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 74417774000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90306206640).

74417774000 is an abundant number, since it is smaller than the sum of its proper divisors (106194639280).

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

74417774000 is a wasteful number, since it uses less digits than its factorization.

74417774000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138615 (or 138599 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 41.

The spelling of 74417774000 in words is "seventy-four billion, four hundred seventeen million, seven hundred seventy-four thousand".