712643361 has 16 divisors (see below), whose sum is σ = 985737600. Its totient is φ = 457415168.

The previous prime is 712643341. The next prime is 712643411. The reversal of 712643361 is 163346217.

It is a cyclic number.

It is not a de Polignac number, because 712643361 - 2⁵ = 712643329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (712643341) 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 15 ways as a sum of consecutive naturals, for example, 19825 + ... + 42641.

It is an arithmetic number, because the mean of its divisors is an integer number (61608600).

Almost surely, 2^712643361 is an apocalyptic number.

It is an amenable number.

712643361 is a deficient number, since it is larger than the sum of its proper divisors (273094239).

712643361 is a wasteful number, since it uses less digits than its factorization.

712643361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23208.

The product of its digits is 18144, while the sum is 33.

The square root of 712643361 is about 26695.3808925814. The cubic root of 712643361 is about 893.2178934733.

Adding to 712643361 its reverse (163346217), we get a palindrome (875989578).

The spelling of 712643361 in words is "seven hundred twelve million, six hundred forty-three thousand, three hundred sixty-one".