34745 has 4 divisors (see below), whose sum is σ = 41700. Its totient is φ = 27792.

The previous prime is 34739. The next prime is 34747. The reversal of 34745 is 54743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54743 = 13 ⋅4211.

It can be written as a sum of positive squares in 2 ways, for example, as 22201 + 12544 = 149^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 34745 - 2⁴ = 34729 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34745.

It is not an unprimeable number, because it can be changed into a prime (34747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3470 + ... + 3479.

It is an arithmetic number, because the mean of its divisors is an integer number (10425).

2³⁴⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

34745 is a deficient number, since it is larger than the sum of its proper divisors (6955).

34745 is an equidigital number, since it uses as much as digits as its factorization.

34745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954.

The product of its digits is 1680, while the sum is 23.

The square root of 34745 is about 186.4001072961. The cubic root of 34745 is about 32.6310292092.

The spelling of 34745 in words is "thirty-four thousand, seven hundred forty-five".