745585 has 8 divisors (see below), whose sum is σ = 916776. Its totient is φ = 581760.

The previous prime is 745573. The next prime is 745601. The reversal of 745585 is 585547.

It can be written as a sum of positive squares in 4 ways, for example, as 53361 + 692224 = 231^2 + 832^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-745585 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 745585.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614 + ... + 2023.

It is an arithmetic number, because the mean of its divisors is an integer number (114597).

2⁷⁴⁵⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

745585 is a deficient number, since it is larger than the sum of its proper divisors (171191).

745585 is a wasteful number, since it uses less digits than its factorization.

745585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683.

The product of its digits is 28000, while the sum is 34.

The square root of 745585 is about 863.4726399835. The cubic root of 745585 is about 90.6773989482.

The spelling of 745585 in words is "seven hundred forty-five thousand, five hundred eighty-five".