630370634 has 8 divisors (see below), whose sum is σ = 946062180. Its totient is φ = 315016576.

The previous prime is 630370621. The next prime is 630370673. The reversal of 630370634 is 436073036.

It can be written as a sum of positive squares in 2 ways, for example, as 629859409 + 511225 = 25097^2 + 715^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 630370634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79649 + ... + 87204.

Almost surely, 2^630370634 is an apocalyptic number.

630370634 is a deficient number, since it is larger than the sum of its proper divisors (315691546).

630370634 is a wasteful number, since it uses less digits than its factorization.

630370634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168744.

The product of its (nonzero) digits is 27216, while the sum is 32.

The square root of 630370634 is about 25107.1829164484. The cubic root of 630370634 is about 857.4299665992.

The spelling of 630370634 in words is "six hundred thirty million, three hundred seventy thousand, six hundred thirty-four".