630706967 has 8 divisors (see below), whose sum is σ = 693297792. Its totient is φ = 568991800.

The previous prime is 630706961. The next prime is 630706981. The reversal of 630706967 is 769607036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630706967 - 2⁶ = 630706903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630706961) 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 7 ways as a sum of consecutive naturals, for example, 217403 + ... + 220284.

It is an arithmetic number, because the mean of its divisors is an integer number (86662224).

Almost surely, 2^630706967 is an apocalyptic number.

630706967 is a deficient number, since it is larger than the sum of its proper divisors (62590825).

630706967 is a wasteful number, since it uses less digits than its factorization.

630706967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437829.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 630706967 is about 25113.8799670620. The cubic root of 630706967 is about 857.5824328384.

The spelling of 630706967 in words is "six hundred thirty million, seven hundred six thousand, nine hundred sixty-seven".