745089 has 8 divisors (see below), whose sum is σ = 997920. Its totient is φ = 494496.

The previous prime is 745067. The next prime is 745103. The reversal of 745089 is 980547.

745089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 745089 - 2⁸ = 744833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (745189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

2⁷⁴⁵⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

745089 is a deficient number, since it is larger than the sum of its proper divisors (252831).

745089 is a wasteful number, since it uses less digits than its factorization.

745089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 745089 is about 863.1853798577. The cubic root of 745089 is about 90.6572867916.

The spelling of 745089 in words is "seven hundred forty-five thousand, eighty-nine".