745330 has 16 divisors (see below), whose sum is σ = 1361304. Its totient is φ = 293760.

The previous prime is 745307. The next prime is 745337. The reversal of 745330 is 33547.

745330 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 4 ways, for example, as 638401 + 106929 = 799^2 + 327^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (745337) 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 in 7 ways as a sum of consecutive naturals, for example, 220 + ... + 1240.

745330 is a Friedman number, since it can be written as 730*(4^5-3), using all its digits and the basic arithmetic operations.

2⁷⁴⁵³³⁰ is an apocalyptic number.

745330 is a deficient number, since it is larger than the sum of its proper divisors (615974).

745330 is a wasteful number, since it uses less digits than its factorization.

745330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 745330 is about 863.3249677844. The cubic root of 745330 is about 90.6670601434.

Adding to 745330 its reverse (33547), we get a palindrome (778877).

The spelling of 745330 in words is "seven hundred forty-five thousand, three hundred thirty".