712793657 has 2 divisors, whose sum is σ = 712793658. Its totient is φ = 712793656.

The previous prime is 712793623. The next prime is 712793677. The reversal of 712793657 is 756397217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 708145321 + 4648336 = 26611^2 + 2156^2 .

It is an emirp because it is prime and its reverse (756397217) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712793657 is a prime.

It is not a weakly prime, because it can be changed into another prime (712793617) by changing a digit.

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 as a sum of consecutive naturals, namely, 356396828 + 356396829.

It is an arithmetic number, because the mean of its divisors is an integer number (356396829).

Almost surely, 2^712793657 is an apocalyptic number.

It is an amenable number.

712793657 is a deficient number, since it is larger than the sum of its proper divisors (1).

712793657 is an equidigital number, since it uses as much as digits as its factorization.

712793657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 47.

The square root of 712793657 is about 26698.1957630099. The cubic root of 712793657 is about 893.2806820749.

The spelling of 712793657 in words is "seven hundred twelve million, seven hundred ninety-three thousand, six hundred fifty-seven".