74434450000 has 120 divisors (see below), whose sum is σ = 182737663416. Its totient is φ = 29364480000.

The previous prime is 74434449953. The next prime is 74434450009. The reversal of 74434450000 is 5443447.

It can be written as a sum of positive squares in 12 ways, for example, as 73807848976 + 626601024 = 271676^2 + 25032^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74434450009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3639804 + ... + 3660196.

Almost surely, 2^74434450000 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 74434450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91368831708).

74434450000 is an abundant number, since it is smaller than the sum of its proper divisors (108303213416).

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

74434450000 is an equidigital number, since it uses as much as digits as its factorization.

74434450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20499 (or 20473 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

Adding to 74434450000 its reverse (5443447), we get a palindrome (74439893447).

The spelling of 74434450000 in words is "seventy-four billion, four hundred thirty-four million, four hundred fifty thousand".