630707775 has 12 divisors (see below), whose sum is σ = 1042770312. Its totient is φ = 336377440.

The previous prime is 630707773. The next prime is 630707801. The reversal of 630707775 is 577707036.

It is not a de Polignac number, because 630707775 - 2¹ = 630707773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630707773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4204644 + ... + 4204793.

It is an arithmetic number, because the mean of its divisors is an integer number (86897526).

Almost surely, 2^630707775 is an apocalyptic number.

630707775 is a deficient number, since it is larger than the sum of its proper divisors (412062537).

630707775 is a wasteful number, since it uses less digits than its factorization.

630707775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409450 (or 8409445 counting only the distinct ones).

The product of its (nonzero) digits is 216090, while the sum is 42.

The square root of 630707775 is about 25113.8960537787. The cubic root of 630707775 is about 857.5827990551.

The spelling of 630707775 in words is "six hundred thirty million, seven hundred seven thousand, seven hundred seventy-five".