712716085 has 4 divisors (see below), whose sum is σ = 855259308. Its totient is φ = 570172864.

The previous prime is 712716083. The next prime is 712716107. The reversal of 712716085 is 580617217.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 397085329 + 315630756 = 19927^2 + 17766^2 .

It is a cyclic number.

It is not a de Polignac number, because 712716085 - 2¹ = 712716083 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 (712716083) 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, 71271604 + ... + 71271613.

It is an arithmetic number, because the mean of its divisors is an integer number (213814827).

Almost surely, 2^712716085 is an apocalyptic number.

It is an amenable number.

712716085 is a deficient number, since it is larger than the sum of its proper divisors (142543223).

712716085 is a wasteful number, since it uses less digits than its factorization.

712716085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142543222.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 712716085 is about 26696.7429661373. The cubic root of 712716085 is about 893.2482762109.

The spelling of 712716085 in words is "seven hundred twelve million, seven hundred sixteen thousand, eighty-five".