716629 has 2 divisors, whose sum is σ = 716630. Its totient is φ = 716628.

The previous prime is 716621. The next prime is 716633. The reversal of 716629 is 926617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555025 + 161604 = 745^2 + 402^2 .

It is an emirp because it is prime and its reverse (926617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 716629 - 2³ = 716621 is a prime.

It is a Chen prime.

716629 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 716629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716621) 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, 358314 + 358315.

It is an arithmetic number, because the mean of its divisors is an integer number (358315).

2⁷¹⁶⁶²⁹ is an apocalyptic number.

It is an amenable number.

716629 is a deficient number, since it is larger than the sum of its proper divisors (1).

716629 is an equidigital number, since it uses as much as digits as its factorization.

716629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 716629 is about 846.5394261344. The cubic root of 716629 is about 89.4879981410.

It can be divided in two parts, 7 and 16629, that multiplied together give a triangular number (116403 = T₄₈₂).

The spelling of 716629 in words is "seven hundred sixteen thousand, six hundred twenty-nine".