204748761 has 16 divisors (see below), whose sum is σ = 314864000. Its totient is φ = 115924608.

The previous prime is 204748741. The next prime is 204748763. The reversal of 204748761 is 167847402.

It is not a de Polignac number, because 204748761 - 2¹⁰ = 204747737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204748763) 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, 42436 + ... + 47013.

It is an arithmetic number, because the mean of its divisors is an integer number (19679000).

Almost surely, 2^204748761 is an apocalyptic number.

204748761 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

204748761 is a deficient number, since it is larger than the sum of its proper divisors (110115239).

204748761 is a wasteful number, since it uses less digits than its factorization.

204748761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89568.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 204748761 is about 14309.0447270249. The cubic root of 204748761 is about 589.3958778464.

The spelling of 204748761 in words is "two hundred four million, seven hundred forty-eight thousand, seven hundred sixty-one".