204773742 has 24 divisors (see below), whose sum is σ = 444029040. Its totient is φ = 68203680.

The previous prime is 204773729. The next prime is 204773747. The reversal of 204773742 is 247377402.

204773742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 204773697 and 204773706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204773747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23434 + ... + 30962.

It is an arithmetic number, because the mean of its divisors is an integer number (18501210).

Almost surely, 2^204773742 is an apocalyptic number.

204773742 is an abundant number, since it is smaller than the sum of its proper divisors (239255298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204773742 is a wasteful number, since it uses less digits than its factorization.

204773742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9048 (or 9045 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 204773742 is about 14309.9176098257. The cubic root of 204773742 is about 589.4198472216.

The spelling of 204773742 in words is "two hundred four million, seven hundred seventy-three thousand, seven hundred forty-two".