74320280233 has 2 divisors, whose sum is σ = 74320280234. Its totient is φ = 74320280232.

The previous prime is 74320280231. The next prime is 74320280249. The reversal of 74320280233 is 33208202347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74230637209 + 89643024 = 272453^2 + 9468^2 .

It is a cyclic number.

It is not a de Polignac number, because 74320280233 - 2¹ = 74320280231 is a prime.

Together with 74320280231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74320280231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37160140116 + 37160140117.

It is an arithmetic number, because the mean of its divisors is an integer number (37160140117).

Almost surely, 2^74320280233 is an apocalyptic number.

It is an amenable number.

74320280233 is a deficient number, since it is larger than the sum of its proper divisors (1).

74320280233 is an equidigital number, since it uses as much as digits as its factorization.

74320280233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 74320280233 in words is "seventy-four billion, three hundred twenty million, two hundred eighty thousand, two hundred thirty-three".