745834213 has 2 divisors, whose sum is σ = 745834214. Its totient is φ = 745834212.

The previous prime is 745834147. The next prime is 745834223. The reversal of 745834213 is 312438547.

It is a happy number.

745834213 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., 492928804 + 252905409 = 22202^2 + 15903^2 .

It is a cyclic number.

It is not a de Polignac number, because 745834213 - 2⁹ = 745833701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745834223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372917106 + 372917107.

It is an arithmetic number, because the mean of its divisors is an integer number (372917107).

Almost surely, 2^745834213 is an apocalyptic number.

It is an amenable number.

745834213 is a deficient number, since it is larger than the sum of its proper divisors (1).

745834213 is an equidigital number, since it uses as much as digits as its factorization.

745834213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 745834213 is about 27309.9654521935. The cubic root of 745834213 is about 906.8750084552.

The spelling of 745834213 in words is "seven hundred forty-five million, eight hundred thirty-four thousand, two hundred thirteen".