74136525605984 has 48 divisors (see below), whose sum is σ = 148136775172848. Its totient is φ = 36514502694912.

The previous prime is 74136525605977. The next prime is 74136525606029. The reversal of 74136525605984 is 48950652563147.

It is a self number, because there is not a number n which added to its sum of digits gives 74136525605984.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191722724 + ... + 192109020.

It is an arithmetic number, because the mean of its divisors is an integer number (3086182816101).

It is a 2-persistent number, because it is pandigital, and so is 2⋅74136525605984 = 148273051211968, but 3⋅74136525605984 = 222409576817952 is not.

Almost surely, 2^{74136525605984} is an apocalyptic number.

It is an amenable number.

74136525605984 is a deficient number, since it is larger than the sum of its proper divisors (74000249566864).

74136525605984 is a wasteful number, since it uses less digits than its factorization.

74136525605984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475887 (or 475879 counting only the distinct ones).

The product of its (nonzero) digits is 217728000, while the sum is 65.

Adding to 74136525605984 its sum of digits (65), we get a square (74136525606049 = 8610257²).

The spelling of 74136525605984 in words is "seventy-four trillion, one hundred thirty-six billion, five hundred twenty-five million, six hundred five thousand, nine hundred eighty-four".