204791672 has 8 divisors (see below), whose sum is σ = 383984400. Its totient is φ = 102395832.

The previous prime is 204791669. The next prime is 204791677. The reversal of 204791672 is 276197402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204791677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12799472 + ... + 12799487.

It is an arithmetic number, because the mean of its divisors is an integer number (47998050).

Almost surely, 2^204791672 is an apocalyptic number.

It is an amenable number.

204791672 is a deficient number, since it is larger than the sum of its proper divisors (179192728).

204791672 is a wasteful number, since it uses less digits than its factorization.

204791672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25598965 (or 25598961 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 204791672 is about 14310.5440846950. The cubic root of 204791672 is about 589.4370499308.

The spelling of 204791672 in words is "two hundred four million, seven hundred ninety-one thousand, six hundred seventy-two".