204472673 has 4 divisors (see below), whose sum is σ = 204503040. Its totient is φ = 204442308.

The previous prime is 204472663. The next prime is 204472703. The reversal of 204472673 is 376274402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 204472673 - 2¹⁰ = 204471649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204472643) 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, 65 + ... + 20222.

It is an arithmetic number, because the mean of its divisors is an integer number (51125760).

Almost surely, 2^204472673 is an apocalyptic number.

It is an amenable number.

204472673 is a deficient number, since it is larger than the sum of its proper divisors (30367).

204472673 is a wasteful number, since it uses less digits than its factorization.

204472673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30366.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 204472673 is about 14299.3941480050. The cubic root of 204472673 is about 589.1308403048.

The spelling of 204472673 in words is "two hundred four million, four hundred seventy-two thousand, six hundred seventy-three".