745230 has 16 divisors (see below), whose sum is σ = 1788624. Its totient is φ = 198720.

The previous prime is 745201. The next prime is 745231. The reversal of 745230 is 32547.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 745197 and 745206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745231) by changing a digit.

745230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12391 + ... + 12450.

It is an arithmetic number, because the mean of its divisors is an integer number (111789).

2⁷⁴⁵²³⁰ is an apocalyptic number.

745230 is an abundant number, since it is smaller than the sum of its proper divisors (1043394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745230 is a wasteful number, since it uses less digits than its factorization.

745230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24851.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 745230 is about 863.2670502226. The cubic root of 745230 is about 90.6630050665.

Adding to 745230 its reverse (32547), we get a palindrome (777777).

The spelling of 745230 in words is "seven hundred forty-five thousand, two hundred thirty".