204273073 has 4 divisors (see below), whose sum is σ = 204418048. Its totient is φ = 204128100.

The previous prime is 204273049. The next prime is 204273089. The reversal of 204273073 is 370372402.

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.

It is a cyclic number.

It is not a de Polignac number, because 204273073 - 2²¹ = 202175921 is a prime.

It is a super-3 number, since 3×204273073³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204273673) 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, 70353 + ... + 73198.

It is an arithmetic number, because the mean of its divisors is an integer number (51104512).

Almost surely, 2^204273073 is an apocalyptic number.

It is an amenable number.

204273073 is a deficient number, since it is larger than the sum of its proper divisors (144975).

204273073 is a wasteful number, since it uses less digits than its factorization.

204273073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144974.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 204273073 is about 14292.4131272504. The cubic root of 204273073 is about 588.9390806962.

The spelling of 204273073 in words is "two hundred four million, two hundred seventy-three thousand, seventy-three".