74044940544 has 81 divisors (see below), whose sum is σ = 213527483533. Its totient is φ = 24677293056.

The previous prime is 74044940531. The next prime is 74044940551. The reversal of 74044940544 is 44504944047.

The square root of 74044940544 is 272112.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17819046144 + 56225894400 = 133488^2 + 237120^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74044940544.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 13058542 + ... + 13064210.

Almost surely, 2^74044940544 is an apocalyptic number.

74044940544 is the 272112-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74044940544

74044940544 is an abundant number, since it is smaller than the sum of its proper divisors (139482542989).

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

74044940544 is an frugal number, since it uses more digits than its factorization.

74044940544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11360 (or 5674 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 74044940544 in words is "seventy-four billion, forty-four million, nine hundred forty thousand, five hundred forty-four".