745528 has 16 divisors (see below), whose sum is σ = 1597680. Its totient is φ = 319488.

The previous prime is 745517. The next prime is 745529. The reversal of 745528 is 825547.

It is a self number, because there is not a number n which added to its sum of digits gives 745528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745529) by changing a digit.

745528 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 3 ways as a sum of consecutive naturals, for example, 6601 + ... + 6712.

It is an arithmetic number, because the mean of its divisors is an integer number (99855).

2⁷⁴⁵⁵²⁸ is an apocalyptic number.

It is an amenable number.

745528 is an abundant number, since it is smaller than the sum of its proper divisors (852152).

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

745528 is a wasteful number, since it uses less digits than its factorization.

745528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13326 (or 13322 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 745528 is about 863.4396330954. The cubic root of 745528 is about 90.6750881259.

The spelling of 745528 in words is "seven hundred forty-five thousand, five hundred twenty-eight".