204807072 has 24 divisors (see below), whose sum is σ = 537618816. Its totient is φ = 68268992.

The previous prime is 204807047. The next prime is 204807079. The reversal of 204807072 is 270708402.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (204807079) 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, 1066608 + ... + 1066799.

It is an arithmetic number, because the mean of its divisors is an integer number (22400784).

Almost surely, 2^204807072 is an apocalyptic number.

It is an amenable number.

204807072 is an abundant number, since it is smaller than the sum of its proper divisors (332811744).

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

204807072 is a wasteful number, since it uses less digits than its factorization.

204807072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133420 (or 2133412 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 204807072 is about 14311.0821393772. The cubic root of 204807072 is about 589.4518244624.

The spelling of 204807072 in words is "two hundred four million, eight hundred seven thousand, seventy-two".