715402729 has 2 divisors, whose sum is σ = 715402730. Its totient is φ = 715402728.

The previous prime is 715402703. The next prime is 715402757. The reversal of 715402729 is 927204517.

715402729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390141504 + 325261225 = 19752^2 + 18035^2 .

It is an emirp because it is prime and its reverse (927204517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 715402729 - 2⁷ = 715402601 is a prime.

It is not a weakly prime, because it can be changed into another prime (715402799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357701364 + 357701365.

It is an arithmetic number, because the mean of its divisors is an integer number (357701365).

Almost surely, 2^715402729 is an apocalyptic number.

It is an amenable number.

715402729 is a deficient number, since it is larger than the sum of its proper divisors (1).

715402729 is an equidigital number, since it uses as much as digits as its factorization.

715402729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 715402729 is about 26747.0134594500. The cubic root of 715402729 is about 894.3692606647.

The spelling of 715402729 in words is "seven hundred fifteen million, four hundred two thousand, seven hundred twenty-nine".