745394317 has 2 divisors, whose sum is σ = 745394318. Its totient is φ = 745394316.

The previous prime is 745394233. The next prime is 745394333. The reversal of 745394317 is 713493547.

745394317 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., 690323076 + 55071241 = 26274^2 + 7421^2 .

It is a cyclic number.

It is not a de Polignac number, because 745394317 - 2²⁷ = 611176589 is a prime.

It is a super-2 number, since 2×745394317² = 1111225375631792978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745394347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372697158 + 372697159.

It is an arithmetic number, because the mean of its divisors is an integer number (372697159).

Almost surely, 2^745394317 is an apocalyptic number.

It is an amenable number.

745394317 is a deficient number, since it is larger than the sum of its proper divisors (1).

745394317 is an equidigital number, since it uses as much as digits as its factorization.

745394317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 745394317 is about 27301.9105009155. The cubic root of 745394317 is about 906.6966805562.

The spelling of 745394317 in words is "seven hundred forty-five million, three hundred ninety-four thousand, three hundred seventeen".