74064472236289 has 2 divisors, whose sum is σ = 74064472236290. Its totient is φ = 74064472236288.

The previous prime is 74064472236257. The next prime is 74064472236317. The reversal of 74064472236289 is 98263227446047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73267008948225 + 797463288064 = 8559615^2 + 893008^2 .

It is an emirp because it is prime and its reverse (98263227446047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74064472236289 - 2⁵ = 74064472236257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74064472236289.

It is not a weakly prime, because it can be changed into another prime (74064472236229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37032236118144 + 37032236118145.

It is an arithmetic number, because the mean of its divisors is an integer number (37032236118145).

Almost surely, 2^{74064472236289} is an apocalyptic number.

It is an amenable number.

74064472236289 is a deficient number, since it is larger than the sum of its proper divisors (1).

74064472236289 is an equidigital number, since it uses as much as digits as its factorization.

74064472236289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195084288, while the sum is 64.

The spelling of 74064472236289 in words is "seventy-four trillion, sixty-four billion, four hundred seventy-two million, two hundred thirty-six thousand, two hundred eighty-nine".