712144685 has 24 divisors (see below), whose sum is σ = 995352696. Its totient is φ = 487710720.

The previous prime is 712144651. The next prime is 712144709. The reversal of 712144685 is 586441217.

It can be written as a sum of positive squares in 4 ways, for example, as 6817321 + 705327364 = 2611^2 + 26558^2 .

It is not a de Polignac number, because 712144685 - 2¹² = 712140589 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 281225 + ... + 283745.

It is an arithmetic number, because the mean of its divisors is an integer number (41473029).

Almost surely, 2^712144685 is an apocalyptic number.

It is an amenable number.

712144685 is a deficient number, since it is larger than the sum of its proper divisors (283208011).

712144685 is a wasteful number, since it uses less digits than its factorization.

712144685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693 (or 3686 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 712144685 is about 26686.0391403445. The cubic root of 712144685 is about 893.0095001930.

The spelling of 712144685 in words is "seven hundred twelve million, one hundred forty-four thousand, six hundred eighty-five".