74433087520 has 96 divisors (see below), whose sum is σ = 191926034496. Its totient is φ = 27053644800.

The previous prime is 74433087503. The next prime is 74433087523. The reversal of 74433087520 is 2578033447.

It is not an unprimeable number, because it can be changed into a prime (74433087523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4164042 + ... + 4181878.

It is an arithmetic number, because the mean of its divisors is an integer number (1999229526).

Almost surely, 2^74433087520 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 74433087520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95963017248).

74433087520 is an abundant number, since it is smaller than the sum of its proper divisors (117492946976).

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

74433087520 is a wasteful number, since it uses less digits than its factorization.

74433087520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20234 (or 20226 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 74433087520 in words is "seventy-four billion, four hundred thirty-three million, eighty-seven thousand, five hundred twenty".