74684470848 has 112 divisors (see below), whose sum is σ = 212922185280. Its totient is φ = 22966953984.

The previous prime is 74684470841. The next prime is 74684470877. The reversal of 74684470848 is 84807448647.

It is a junction number, because it is equal to n+sod(n) for n = 74684470791 and 74684470800.

It is not an unprimeable number, because it can be changed into a prime (74684470841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5057011 + ... + 5071757.

It is an arithmetic number, because the mean of its divisors is an integer number (1901090940).

Almost surely, 2^74684470848 is an apocalyptic number.

74684470848 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74684470848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106461092640).

74684470848 is an abundant number, since it is smaller than the sum of its proper divisors (138237714432).

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

74684470848 is a wasteful number, since it uses less digits than its factorization.

74684470848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16804 (or 16794 counting only the distinct ones).

The product of its (nonzero) digits is 38535168, while the sum is 60.

The spelling of 74684470848 in words is "seventy-four billion, six hundred eighty-four million, four hundred seventy thousand, eight hundred forty-eight".