204717272 has 8 divisors (see below), whose sum is σ = 383844900. Its totient is φ = 102358632.

The previous prime is 204717221. The next prime is 204717277. The reversal of 204717272 is 272717402.

It is a happy number.

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

It is a super-2 number, since 2×204717272² = 83818322910243968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204717277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12794822 + ... + 12794837.

Almost surely, 2^204717272 is an apocalyptic number.

It is an amenable number.

204717272 is a deficient number, since it is larger than the sum of its proper divisors (179127628).

204717272 is a wasteful number, since it uses less digits than its factorization.

204717272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25589665 (or 25589661 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 204717272 is about 14307.9443666797. The cubic root of 204717272 is about 589.3656612397.

The spelling of 204717272 in words is "two hundred four million, seven hundred seventeen thousand, two hundred seventy-two".