74063609424 has 120 divisors (see below), whose sum is σ = 236994331392. Its totient is φ = 21151353600.

The previous prime is 74063609393. The next prime is 74063609441. The reversal of 74063609424 is 42490636047.

It is a happy number.

74063609424 is a `hidden beast` number, since 7 + 4 + 0 + 636 + 0 + 9 + 4 + 2 + 4 = 666.

It is a super-2 number, since 2×74063609424² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74063609424.

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, 2354182 + ... + 2385434.

Almost surely, 2^74063609424 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 74063609424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118497165696).

74063609424 is an abundant number, since it is smaller than the sum of its proper divisors (162930721968).

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

74063609424 is a wasteful number, since it uses less digits than its factorization.

74063609424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33625 (or 33616 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 74063609424 in words is "seventy-four billion, sixty-three million, six hundred nine thousand, four hundred twenty-four".