715546729 has 2 divisors, whose sum is σ = 715546730. Its totient is φ = 715546728.

The previous prime is 715546717. The next prime is 715546781. The reversal of 715546729 is 927645517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 502970329 + 212576400 = 22427^2 + 14580^2 .

It is an emirp because it is prime and its reverse (927645517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 715546729 - 2¹¹ = 715544681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (715546709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357773364 + 357773365.

It is an arithmetic number, because the mean of its divisors is an integer number (357773365).

Almost surely, 2^715546729 is an apocalyptic number.

It is an amenable number.

715546729 is a deficient number, since it is larger than the sum of its proper divisors (1).

715546729 is an equidigital number, since it uses as much as digits as its factorization.

715546729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 46.

The square root of 715546729 is about 26749.7052133290. The cubic root of 715546729 is about 894.4292644118.

It can be divided in two parts, 71554672 and 9, that added together give a square (71554681 = 8459²).

The spelling of 715546729 in words is "seven hundred fifteen million, five hundred forty-six thousand, seven hundred twenty-nine".