74638119744 has 336 divisors, whose sum is σ = 230659228800. Its totient is φ = 22992519168.

The previous prime is 74638119719. The next prime is 74638119749. The reversal of 74638119744 is 44791183647.

It is a happy number.

74638119744 is a `hidden beast` number, since 74 + 6 + 381 + 197 + 4 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74638119749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170018277 + ... + 170018715.

It is an arithmetic number, because the mean of its divisors is an integer number (686485800).

Almost surely, 2^74638119744 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 74638119744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115329614400).

74638119744 is an abundant number, since it is smaller than the sum of its proper divisors (156021109056).

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

74638119744 is a wasteful number, since it uses less digits than its factorization.

74638119744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 737 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 74638119744 in words is "seventy-four billion, six hundred thirty-eight million, one hundred nineteen thousand, seven hundred forty-four".