204726772 has 48 divisors (see below), whose sum is σ = 387636480. Its totient is φ = 94355712.

The previous prime is 204726763. The next prime is 204726773. The reversal of 204726772 is 277627402.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204726773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466129 + ... + 466567.

It is an arithmetic number, because the mean of its divisors is an integer number (8075760).

Almost surely, 2^204726772 is an apocalyptic number.

It is an amenable number.

204726772 is a deficient number, since it is larger than the sum of its proper divisors (182909708).

204726772 is a wasteful number, since it uses less digits than its factorization.

204726772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 204726772 is about 14308.2763462270. The cubic root of 204726772 is about 589.3747776944.

The spelling of 204726772 in words is "two hundred four million, seven hundred twenty-six thousand, seven hundred seventy-two".