605745 has 32 divisors (see below), whose sum is σ = 1232640. Its totient is φ = 276480.

The previous prime is 605719. The next prime is 605779. The reversal of 605745 is 547506.

605745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 605745 - 2⁷ = 605617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (38520).

2⁶⁰⁵⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

605745 is an abundant number, since it is smaller than the sum of its proper divisors (626895).

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

605745 is a wasteful number, since it uses less digits than its factorization.

605745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 605745 is about 778.2962161028. The cubic root of 605745 is about 84.6116074813.

The spelling of 605745 in words is "six hundred five thousand, seven hundred forty-five".