205712716 has 48 divisors (see below), whose sum is σ = 423753120. Its totient is φ = 86328320.

The previous prime is 205712701. The next prime is 205712723. The reversal of 205712716 is 617217502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37050 + ... + 42238.

It is an arithmetic number, because the mean of its divisors is an integer number (8828190).

Almost surely, 2^205712716 is an apocalyptic number.

It is an amenable number.

205712716 is an abundant number, since it is smaller than the sum of its proper divisors (218040404).

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

205712716 is a wasteful number, since it uses less digits than its factorization.

205712716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274 (or 5272 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 205712716 is about 14342.6885903585. The cubic root of 205712716 is about 590.3193865878.

The spelling of 205712716 in words is "two hundred five million, seven hundred twelve thousand, seven hundred sixteen".