629707748 has 12 divisors (see below), whose sum is σ = 1103929260. Its totient is φ = 314299392.

The previous prime is 629707721. The next prime is 629707789. The reversal of 629707748 is 847707926.

It can be written as a sum of positive squares in 2 ways, for example, as 63648484 + 566059264 = 7978^2 + 23792^2 .

It is a junction number, because it is equal to n+sod(n) for n = 629707696 and 629707705.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 136061 + ... + 140612.

It is an arithmetic number, because the mean of its divisors is an integer number (91994105).

Almost surely, 2^629707748 is an apocalyptic number.

It is an amenable number.

629707748 is a deficient number, since it is larger than the sum of its proper divisors (474221512).

629707748 is a wasteful number, since it uses less digits than its factorization.

629707748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277246 (or 277244 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 629707748 is about 25093.9783215018. The cubic root of 629707748 is about 857.1293087329.

The spelling of 629707748 in words is "six hundred twenty-nine million, seven hundred seven thousand, seven hundred forty-eight".