630696775 has 6 divisors (see below), whose sum is σ = 782064032. Its totient is φ = 504557400.

The previous prime is 630696769. The next prime is 630696779. The reversal of 630696775 is 577696036.

It is not a de Polignac number, because 630696775 - 2¹⁷ = 630565703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630696779) 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 5 ways as a sum of consecutive naturals, for example, 12613911 + ... + 12613960.

Almost surely, 2^630696775 is an apocalyptic number.

630696775 is a deficient number, since it is larger than the sum of its proper divisors (151367257).

630696775 is a wasteful number, since it uses less digits than its factorization.

630696775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25227881 (or 25227876 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 49.

The square root of 630696775 is about 25113.6770505635. The cubic root of 630696775 is about 857.5778134046.

The spelling of 630696775 in words is "six hundred thirty million, six hundred ninety-six thousand, seven hundred seventy-five".