74511205980 has 96 divisors (see below), whose sum is σ = 223212380160. Its totient is φ = 18515278080.

The previous prime is 74511205963. The next prime is 74511205981. The reversal of 74511205980 is 8950211547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74511205981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466204 + ... + 605283.

It is an arithmetic number, because the mean of its divisors is an integer number (2325128960).

Almost surely, 2^74511205980 is an apocalyptic number.

It is an amenable number.

74511205980 is an abundant number, since it is smaller than the sum of its proper divisors (148701174180).

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

74511205980 is a wasteful number, since it uses less digits than its factorization.

74511205980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071579 (or 1071577 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 74511205980 in words is "seventy-four billion, five hundred eleven million, two hundred five thousand, nine hundred eighty".