204749872 has 10 divisors (see below), whose sum is σ = 396702908. Its totient is φ = 102374928.

The previous prime is 204749863. The next prime is 204749873. The reversal of 204749872 is 278947402.

It is not an unprimeable number, because it can be changed into a prime (204749873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6398418 + ... + 6398449.

Almost surely, 2^204749872 is an apocalyptic number.

It is an amenable number.

204749872 is a deficient number, since it is larger than the sum of its proper divisors (191953036).

204749872 is a wasteful number, since it uses less digits than its factorization.

204749872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12796875 (or 12796869 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 204749872 is about 14309.0835485715. The cubic root of 204749872 is about 589.3969438970.

The spelling of 204749872 in words is "two hundred four million, seven hundred forty-nine thousand, eight hundred seventy-two".