630734956 has 6 divisors (see below), whose sum is σ = 1103786180. Its totient is φ = 315367476.

The previous prime is 630734921. The next prime is 630734977. The reversal of 630734956 is 659437036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78841866 + ... + 78841873.

Almost surely, 2^630734956 is an apocalyptic number.

It is an amenable number.

630734956 is a deficient number, since it is larger than the sum of its proper divisors (473051224).

630734956 is a wasteful number, since it uses less digits than its factorization.

630734956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157683743 (or 157683741 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 630734956 is about 25114.4372025335. The cubic root of 630734956 is about 857.5951183490.

The spelling of 630734956 in words is "six hundred thirty million, seven hundred thirty-four thousand, nine hundred fifty-six".