629797723 has 4 divisors (see below), whose sum is σ = 635912368. Its totient is φ = 623683080.

The previous prime is 629797687. The next prime is 629797739. The reversal of 629797723 is 327797926.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 629797723 - 2¹⁷ = 629666651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629798723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3057168 + ... + 3057373.

It is an arithmetic number, because the mean of its divisors is an integer number (158978092).

Almost surely, 2^629797723 is an apocalyptic number.

629797723 is a deficient number, since it is larger than the sum of its proper divisors (6114645).

629797723 is a wasteful number, since it uses less digits than its factorization.

629797723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114644.

The product of its digits is 2000376, while the sum is 52.

The square root of 629797723 is about 25095.7710182413. The cubic root of 629797723 is about 857.1701300700.

The spelling of 629797723 in words is "six hundred twenty-nine million, seven hundred ninety-seven thousand, seven hundred twenty-three".