74302002209 has 2 divisors, whose sum is σ = 74302002210. Its totient is φ = 74302002208.

The previous prime is 74302002199. The next prime is 74302002227. The reversal of 74302002209 is 90220020347.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68697982609 + 5604019600 = 262103^2 + 74860^2 .

It is a cyclic number.

It is not a de Polignac number, because 74302002209 - 2⁸ = 74302001953 is a prime.

It is not a weakly prime, because it can be changed into another prime (74302002239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37151001104 + 37151001105.

It is an arithmetic number, because the mean of its divisors is an integer number (37151001105).

Almost surely, 2^74302002209 is an apocalyptic number.

It is an amenable number.

74302002209 is a deficient number, since it is larger than the sum of its proper divisors (1).

74302002209 is an equidigital number, since it uses as much as digits as its factorization.

74302002209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The spelling of 74302002209 in words is "seventy-four billion, three hundred two million, two thousand, two hundred nine".