204749734 has 64 divisors (see below), whose sum is σ = 385257600. Its totient is φ = 81285120.

The previous prime is 204749711. The next prime is 204749747. The reversal of 204749734 is 437947402.

204749734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1131124 + ... + 1131304.

It is an arithmetic number, because the mean of its divisors is an integer number (6019650).

Almost surely, 2^204749734 is an apocalyptic number.

204749734 is a deficient number, since it is larger than the sum of its proper divisors (180507866).

204749734 is a wasteful number, since it uses less digits than its factorization.

204749734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 204749734 is about 14309.0787264589. The cubic root of 204749734 is about 589.3968114805.

The spelling of 204749734 in words is "two hundred four million, seven hundred forty-nine thousand, seven hundred thirty-four".