715857073 has 2 divisors, whose sum is σ = 715857074. Its totient is φ = 715857072.

The previous prime is 715857067. The next prime is 715857137. The reversal of 715857073 is 370758517.

715857073 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., 394300449 + 321556624 = 19857^2 + 17932^2 .

It is a cyclic number.

It is not a de Polignac number, because 715857073 - 2⁵ = 715857041 is a prime.

It is not a weakly prime, because it can be changed into another prime (715857973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357928536 + 357928537.

It is an arithmetic number, because the mean of its divisors is an integer number (357928537).

Almost surely, 2^715857073 is an apocalyptic number.

It is an amenable number.

715857073 is a deficient number, since it is larger than the sum of its proper divisors (1).

715857073 is an equidigital number, since it uses as much as digits as its factorization.

715857073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 205800, while the sum is 43.

The square root of 715857073 is about 26755.5054708372. The cubic root of 715857073 is about 894.5585551223.

The spelling of 715857073 in words is "seven hundred fifteen million, eight hundred fifty-seven thousand, seventy-three".