205074 has 12 divisors (see below), whose sum is σ = 444366. Its totient is φ = 68352.

The previous prime is 205069. The next prime is 205081. The reversal of 205074 is 470502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 154449 + 50625 = 393^2 + 225^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11393 = 205074 / (2 + 0 + 5 + 0 + 7 + 4).

It is a Curzon number.

It is an unprimeable number.

205074 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5679 + ... + 5714.

2²⁰⁵⁰⁷⁴ is an apocalyptic number.

205074 is an abundant number, since it is smaller than the sum of its proper divisors (239292).

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

205074 is a wasteful number, since it uses less digits than its factorization.

205074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401 (or 11398 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 205074 is about 452.8509688628. The cubic root of 205074 is about 58.9707793636.

Adding to 205074 its reverse (470502), we get a palindrome (675576).

It can be divided in two parts, 20507 and 4, that multiplied together give a palindrome (82028).

The spelling of 205074 in words is "two hundred five thousand, seventy-four".