745976317 has 2 divisors, whose sum is σ = 745976318. Its totient is φ = 745976316.

The previous prime is 745976261. The next prime is 745976323. The reversal of 745976317 is 713679547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 638522361 + 107453956 = 25269^2 + 10366^2 .

It is a cyclic number.

It is not a de Polignac number, because 745976317 - 2¹¹ = 745974269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745976417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372988158 + 372988159.

It is an arithmetic number, because the mean of its divisors is an integer number (372988159).

Almost surely, 2^745976317 is an apocalyptic number.

It is an amenable number.

745976317 is a deficient number, since it is larger than the sum of its proper divisors (1).

745976317 is an equidigital number, since it uses as much as digits as its factorization.

745976317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 49.

The square root of 745976317 is about 27312.5670159361. The cubic root of 745976317 is about 906.9326005136.

The spelling of 745976317 in words is "seven hundred forty-five million, nine hundred seventy-six thousand, three hundred seventeen".