74484424146 has 64 divisors (see below), whose sum is σ = 164235517056. Its totient is φ = 22331904000.

The previous prime is 74484424123. The next prime is 74484424163. The reversal of 74484424146 is 64142448447.

It is a super-2 number, since 2×74484424146² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74484424095 and 74484424104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12509106 + ... + 12515058.

It is an arithmetic number, because the mean of its divisors is an integer number (2566179954).

Almost surely, 2^74484424146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74484424146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82117758528).

74484424146 is an abundant number, since it is smaller than the sum of its proper divisors (89751092910).

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

74484424146 is a wasteful number, since it uses less digits than its factorization.

74484424146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7947.

The product of its digits is 2752512, while the sum is 48.

The spelling of 74484424146 in words is "seventy-four billion, four hundred eighty-four million, four hundred twenty-four thousand, one hundred forty-six".