205370734 has 12 divisors (see below), whose sum is σ = 325124064. Its totient is φ = 97280532.

The previous prime is 205370719. The next prime is 205370741. The reversal of 205370734 is 437073502.

It is a junction number, because it is equal to n+sod(n) for n = 205370696 and 205370705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141502 + ... + 142945.

It is an arithmetic number, because the mean of its divisors is an integer number (27093672).

Almost surely, 2^205370734 is an apocalyptic number.

205370734 is a deficient number, since it is larger than the sum of its proper divisors (119753330).

205370734 is a wasteful number, since it uses less digits than its factorization.

205370734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284487 (or 284468 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 205370734 is about 14330.7618080826. The cubic root of 205370734 is about 589.9920845438.

The spelling of 205370734 in words is "two hundred five million, three hundred seventy thousand, seven hundred thirty-four".