712316557 has 4 divisors (see below), whose sum is σ = 712388160. Its totient is φ = 712244956.

The previous prime is 712316551. The next prime is 712316587. The reversal of 712316557 is 755613217.

712316557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 755613217 = 2819 ⋅268043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712316557 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 (712316551) 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, 17893 + ... + 41770.

It is an arithmetic number, because the mean of its divisors is an integer number (178097040).

Almost surely, 2^712316557 is an apocalyptic number.

It is an amenable number.

712316557 is a deficient number, since it is larger than the sum of its proper divisors (71603).

712316557 is a wasteful number, since it uses less digits than its factorization.

712316557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71602.

The product of its digits is 44100, while the sum is 37.

The square root of 712316557 is about 26689.2592066547. The cubic root of 712316557 is about 893.0813353066.

It can be divided in two parts, 71 and 2316557, that added together give a triangular number (2316628 = T₂₁₅₂).

The spelling of 712316557 in words is "seven hundred twelve million, three hundred sixteen thousand, five hundred fifty-seven".