204073172 has 6 divisors (see below), whose sum is σ = 357128058. Its totient is φ = 102036584.

The previous prime is 204073157. The next prime is 204073193. The reversal of 204073172 is 271370402.

It can be written as a sum of positive squares in only one way, i.e., 195049156 + 9024016 = 13966^2 + 3004^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25509143 + ... + 25509150.

It is an arithmetic number, because the mean of its divisors is an integer number (59521343).

Almost surely, 2^204073172 is an apocalyptic number.

It is an amenable number.

204073172 is a deficient number, since it is larger than the sum of its proper divisors (153054886).

204073172 is a wasteful number, since it uses less digits than its factorization.

204073172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51018297 (or 51018295 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 204073172 is about 14285.4181597880. The cubic root of 204073172 is about 588.7469066722.

The spelling of 204073172 in words is "two hundred four million, seventy-three thousand, one hundred seventy-two".