745233305 has 8 divisors (see below), whose sum is σ = 902194632. Its totient is φ = 590910208.

The previous prime is 745233277. The next prime is 745233319. The reversal of 745233305 is 503332547.

It can be written as a sum of positive squares in 4 ways, for example, as 3433609 + 741799696 = 1853^2 + 27236^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745233305 - 2⁶ = 745233241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658934 + ... + 660063.

It is an arithmetic number, because the mean of its divisors is an integer number (112774329).

Almost surely, 2^745233305 is an apocalyptic number.

It is an amenable number.

745233305 is a deficient number, since it is larger than the sum of its proper divisors (156961327).

745233305 is a wasteful number, since it uses less digits than its factorization.

745233305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319115.

The product of its (nonzero) digits is 37800, while the sum is 32.

The square root of 745233305 is about 27298.9616102884. The cubic root of 745233305 is about 906.6313909256.

The spelling of 745233305 in words is "seven hundred forty-five million, two hundred thirty-three thousand, three hundred five".