712546447 has 2 divisors, whose sum is σ = 712546448. Its totient is φ = 712546446.

The previous prime is 712546441. The next prime is 712546487. The reversal of 712546447 is 744645217.

712546447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (712546487) can be obtained adding 712546447 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712546447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712546441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356273223 + 356273224.

It is an arithmetic number, because the mean of its divisors is an integer number (356273224).

Almost surely, 2^712546447 is an apocalyptic number.

712546447 is a deficient number, since it is larger than the sum of its proper divisors (1).

712546447 is an equidigital number, since it uses as much as digits as its factorization.

712546447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 40.

The square root of 712546447 is about 26693.5656479235. The cubic root of 712546447 is about 893.1774013899.

The spelling of 712546447 in words is "seven hundred twelve million, five hundred forty-six thousand, four hundred forty-seven".