74198825287876 has 9 divisors (see below), whose sum is σ = 129847974402349. Its totient is φ = 37099404030064.

The previous prime is 74198825287837. The next prime is 74198825287891. The reversal of 74198825287876 is 67878252889147.

The square root of 74198825287876 is 8613874.

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., 61677305180100 + 12521520107776 = 7853490^2 + 3538576^2 .

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 74198825287876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15074280 + ... + 19381216.

Almost surely, 2^{74198825287876} is an apocalyptic number.

74198825287876 is the 8613874-th square number.

It is an amenable number.

74198825287876 is a deficient number, since it is larger than the sum of its proper divisors (55649149114473).

74198825287876 is an frugal number, since it uses more digits than its factorization.

74198825287876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8613878 (or 4306939 counting only the distinct ones).

The product of its digits is 6069288960, while the sum is 82.

The spelling of 74198825287876 in words is "seventy-four trillion, one hundred ninety-eight billion, eight hundred twenty-five million, two hundred eighty-seven thousand, eight hundred seventy-six".