74521080325441 has 4 divisors (see below), whose sum is σ = 74521231910532. Its totient is φ = 74520928740352.

The previous prime is 74521080325339. The next prime is 74521080325469. The reversal of 74521080325441 is 14452308012547.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43287188490000 + 31233891835441 = 6579300^2 + 5588729^2 .

It is a cyclic number.

It is not a de Polignac number, because 74521080325441 - 2²⁹ = 74520543454529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74521080325391 and 74521080325400.

It is not an unprimeable number, because it can be changed into a prime (74521080328441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75052720 + ... + 76039153.

It is an arithmetic number, because the mean of its divisors is an integer number (18630307977633).

Almost surely, 2^{74521080325441} is an apocalyptic number.

It is an amenable number.

74521080325441 is a deficient number, since it is larger than the sum of its proper divisors (151585091).

74521080325441 is a wasteful number, since it uses less digits than its factorization.

74521080325441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151585090.

The product of its (nonzero) digits is 1075200, while the sum is 46.

Adding to 74521080325441 its reverse (14452308012547), we get a palindrome (88973388337988).

The spelling of 74521080325441 in words is "seventy-four trillion, five hundred twenty-one billion, eighty million, three hundred twenty-five thousand, four hundred forty-one".