745625 has 10 divisors (see below), whose sum is σ = 932514. Its totient is φ = 596000.

The previous prime is 745621. The next prime is 745631. The reversal of 745625 is 526547.

It can be written as a sum of positive squares in 5 ways, for example, as 287296 + 458329 = 536^2 + 677^2 .

It is not a de Polignac number, because 745625 - 2² = 745621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 29 + ... + 1221.

2⁷⁴⁵⁶²⁵ is an apocalyptic number.

It is an amenable number.

745625 is a deficient number, since it is larger than the sum of its proper divisors (186889).

745625 is an equidigital number, since it uses as much as digits as its factorization.

745625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1198 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 745625 is about 863.4958019585. The cubic root of 745625 is about 90.6790205076.

The spelling of 745625 in words is "seven hundred forty-five thousand, six hundred twenty-five".