74240169612 has 96 divisors (see below), whose sum is σ = 209984839680. Its totient is φ = 19941629760.

The previous prime is 74240169589. The next prime is 74240169659. The reversal of 74240169612 is 21696104247.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 31533 + ... + 386619.

It is an arithmetic number, because the mean of its divisors is an integer number (2187342080).

Almost surely, 2^74240169612 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 74240169612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104992419840).

74240169612 is an abundant number, since it is smaller than the sum of its proper divisors (135744670068).

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

74240169612 is a wasteful number, since it uses less digits than its factorization.

74240169612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355251 (or 355249 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 74240169612 in words is "seventy-four billion, two hundred forty million, one hundred sixty-nine thousand, six hundred twelve".