745023329 has 2 divisors, whose sum is σ = 745023330. Its totient is φ = 745023328.

The previous prime is 745023319. The next prime is 745023343. The reversal of 745023329 is 923320547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533379025 + 211644304 = 23095^2 + 14548^2 .

It is a cyclic number.

It is not a de Polignac number, because 745023329 - 2¹⁶ = 744957793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (745023319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372511664 + 372511665.

It is an arithmetic number, because the mean of its divisors is an integer number (372511665).

Almost surely, 2^745023329 is an apocalyptic number.

It is an amenable number.

745023329 is a deficient number, since it is larger than the sum of its proper divisors (1).

745023329 is an equidigital number, since it uses as much as digits as its factorization.

745023329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 745023329 is about 27295.1154787812. The cubic root of 745023329 is about 906.5462324864.

The spelling of 745023329 in words is "seven hundred forty-five million, twenty-three thousand, three hundred twenty-nine".