712443317 has 4 divisors (see below), whose sum is σ = 712518540. Its totient is φ = 712368096.

The previous prime is 712443313. The next prime is 712443353. The reversal of 712443317 is 713344217.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 351975121 + 360468196 = 18761^2 + 18986^2 .

It is a cyclic number.

It is not a de Polignac number, because 712443317 - 2² = 712443313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712443311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20942 + ... + 43167.

It is an arithmetic number, because the mean of its divisors is an integer number (178129635).

Almost surely, 2^712443317 is an apocalyptic number.

It is an amenable number.

712443317 is a deficient number, since it is larger than the sum of its proper divisors (75223).

712443317 is a wasteful number, since it uses less digits than its factorization.

712443317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75222.

The product of its digits is 14112, while the sum is 32.

The square root of 712443317 is about 26691.6338390890. The cubic root of 712443317 is about 893.1343081384.

The spelling of 712443317 in words is "seven hundred twelve million, four hundred forty-three thousand, three hundred seventeen".