716819 has 2 divisors, whose sum is σ = 716820. Its totient is φ = 716818.

The previous prime is 716809. The next prime is 716827. The reversal of 716819 is 918617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 716819 - 2⁸ = 716563 is a prime.

It is a super-2 number, since 2×716819² = 1027658957522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (716809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358409 + 358410.

It is an arithmetic number, because the mean of its divisors is an integer number (358410).

2⁷¹⁶⁸¹⁹ is an apocalyptic number.

716819 is a deficient number, since it is larger than the sum of its proper divisors (1).

716819 is an equidigital number, since it uses as much as digits as its factorization.

716819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 32.

The square root of 716819 is about 846.6516402866. The cubic root of 716819 is about 89.4959060995.

The spelling of 716819 in words is "seven hundred sixteen thousand, eight hundred nineteen".