745266707473 has 2 divisors, whose sum is σ = 745266707474. Its totient is φ = 745266707472.

The previous prime is 745266707413. The next prime is 745266707477. The reversal of 745266707473 is 374707662547.

It is a happy number.

745266707473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 744988218129 + 278489344 = 863127^2 + 16688^2 .

It is an emirp because it is prime and its reverse (374707662547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745266707473 - 2²⁹ = 744729836561 is a prime.

It is not a weakly prime, because it can be changed into another prime (745266707477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372633353736 + 372633353737.

It is an arithmetic number, because the mean of its divisors is an integer number (372633353737).

Almost surely, 2^745266707473 is an apocalyptic number.

It is an amenable number.

745266707473 is a deficient number, since it is larger than the sum of its proper divisors (1).

745266707473 is an equidigital number, since it uses as much as digits as its factorization.

745266707473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41489280, while the sum is 58.

The spelling of 745266707473 in words is "seven hundred forty-five billion, two hundred sixty-six million, seven hundred seven thousand, four hundred seventy-three".