712671643 has 2 divisors, whose sum is σ = 712671644. Its totient is φ = 712671642.

The previous prime is 712671599. The next prime is 712671649. The reversal of 712671643 is 346176217.

712671643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (346176217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 712671643 - 2⁹ = 712671131 is a prime.

It is not a weakly prime, because it can be changed into another prime (712671649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356335821 + 356335822.

It is an arithmetic number, because the mean of its divisors is an integer number (356335822).

Almost surely, 2^712671643 is an apocalyptic number.

712671643 is a deficient number, since it is larger than the sum of its proper divisors (1).

712671643 is an equidigital number, since it uses as much as digits as its factorization.

712671643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 712671643 is about 26695.9106044353. The cubic root of 712671643 is about 893.2297094137.

The spelling of 712671643 in words is "seven hundred twelve million, six hundred seventy-one thousand, six hundred forty-three".