204704047 has 4 divisors (see below), whose sum is σ = 206814496. Its totient is φ = 202593600.

The previous prime is 204704033. The next prime is 204704053. The reversal of 204704047 is 740407402.

204704047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204704047 - 2²⁷ = 70486319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204704077) 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, 1055079 + ... + 1055272.

It is an arithmetic number, because the mean of its divisors is an integer number (51703624).

Almost surely, 2^204704047 is an apocalyptic number.

204704047 is a deficient number, since it is larger than the sum of its proper divisors (2110449).

204704047 is an equidigital number, since it uses as much as digits as its factorization.

204704047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110448.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 204704047 is about 14307.4822033788. The cubic root of 204704047 is about 589.3529697056.

The spelling of 204704047 in words is "two hundred four million, seven hundred four thousand, forty-seven".