629723 has 2 divisors, whose sum is σ = 629724. Its totient is φ = 629722.

The previous prime is 629711. The next prime is 629737. The reversal of 629723 is 327926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 629723 - 2⁸ = 629467 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 2¹¹ + 7⁵ + 9⁶ + 2¹⁵ + 3 .

It is not a weakly prime, because it can be changed into another prime (629743) 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, 314861 + 314862.

It is an arithmetic number, because the mean of its divisors is an integer number (314862).

2⁶²⁹⁷²³ is an apocalyptic number.

629723 is a deficient number, since it is larger than the sum of its proper divisors (1).

629723 is an equidigital number, since it uses as much as digits as its factorization.

629723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 629723 is about 793.5508805363. The cubic root of 629723 is about 85.7136228785.

The spelling of 629723 in words is "six hundred twenty-nine thousand, seven hundred twenty-three".