630629745 has 32 divisors (see below), whose sum is σ = 1054801920. Its totient is φ = 321347520.

The previous prime is 630629743. The next prime is 630629789. The reversal of 630629745 is 547926036.

630629745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630629745 - 2¹ = 630629743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630629697 and 630629706.

It is not an unprimeable number, because it can be changed into a prime (630629743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28152 + ... + 45318.

It is an arithmetic number, because the mean of its divisors is an integer number (32962560).

Almost surely, 2^630629745 is an apocalyptic number.

It is an amenable number.

630629745 is a deficient number, since it is larger than the sum of its proper divisors (424172175).

630629745 is a wasteful number, since it uses less digits than its factorization.

630629745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17285.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 630629745 is about 25112.3424833288. The cubic root of 630629745 is about 857.5474314104.

The spelling of 630629745 in words is "six hundred thirty million, six hundred twenty-nine thousand, seven hundred forty-five".