745885 has 16 divisors (see below), whose sum is σ = 1037952. Its totient is φ = 504000.

The previous prime is 745873. The next prime is 745903. The reversal of 745885 is 588547.

It is not a de Polignac number, because 745885 - 2⁷ = 745757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3430 + ... + 3640.

It is an arithmetic number, because the mean of its divisors is an integer number (64872).

2⁷⁴⁵⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

745885 is a deficient number, since it is larger than the sum of its proper divisors (292067).

745885 is a wasteful number, since it uses less digits than its factorization.

745885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its digits is 44800, while the sum is 37.

The square root of 745885 is about 863.6463396553. The cubic root of 745885 is about 90.6895592304.

The spelling of 745885 in words is "seven hundred forty-five thousand, eight hundred eighty-five".