204730 has 16 divisors (see below), whose sum is σ = 375840. Its totient is φ = 80272.

The previous prime is 204719. The next prime is 204733. The reversal of 204730 is 37402.

It is not an unprimeable number, because it can be changed into a prime (204733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 763.

It is an arithmetic number, because the mean of its divisors is an integer number (23490).

2²⁰⁴⁷³⁰ is an apocalyptic number.

204730 is a deficient number, since it is larger than the sum of its proper divisors (171110).

204730 is a wasteful number, since it uses less digits than its factorization.

204730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 204730 is about 452.4709935454. The cubic root of 204730 is about 58.9377875305.

The spelling of 204730 in words is "two hundred four thousand, seven hundred thirty".