74431055201 has 2 divisors, whose sum is σ = 74431055202. Its totient is φ = 74431055200.

The previous prime is 74431055173. The next prime is 74431055233. The reversal of 74431055201 is 10255013447.

It is an a-pointer prime, because the next prime (74431055233) can be obtained adding 74431055201 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74362563025 + 68492176 = 272695^2 + 8276^2 .

It is a cyclic number.

It is not a de Polignac number, because 74431055201 - 2¹⁸ = 74430793057 is a prime.

It is not a weakly prime, because it can be changed into another prime (74431055261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37215527600 + 37215527601.

It is an arithmetic number, because the mean of its divisors is an integer number (37215527601).

Almost surely, 2^74431055201 is an apocalyptic number.

It is an amenable number.

74431055201 is a deficient number, since it is larger than the sum of its proper divisors (1).

74431055201 is an equidigital number, since it uses as much as digits as its factorization.

74431055201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 74431055201 its reverse (10255013447), we get a palindrome (84686068648).

The spelling of 74431055201 in words is "seventy-four billion, four hundred thirty-one million, fifty-five thousand, two hundred one".