712545816 has 16 divisors (see below), whose sum is σ = 1781364600. Its totient is φ = 237515264.

The previous prime is 712545797. The next prime is 712545817. The reversal of 712545816 is 618545217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712545817) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14844681 + ... + 14844728.

Almost surely, 2^712545816 is an apocalyptic number.

It is an amenable number.

712545816 is an abundant number, since it is smaller than the sum of its proper divisors (1068818784).

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

712545816 is a wasteful number, since it uses less digits than its factorization.

712545816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29689418 (or 29689414 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The square root of 712545816 is about 26693.5538285931. The cubic root of 712545816 is about 893.1771377369.

The spelling of 712545816 in words is "seven hundred twelve million, five hundred forty-five thousand, eight hundred sixteen".