630673646 has 8 divisors (see below), whose sum is σ = 950178600. Its totient is φ = 313947448.

The previous prime is 630673601. The next prime is 630673649. The reversal of 630673646 is 646376036.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630673649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694121 + ... + 695028.

It is an arithmetic number, because the mean of its divisors is an integer number (118772325).

Almost surely, 2^630673646 is an apocalyptic number.

630673646 is a deficient number, since it is larger than the sum of its proper divisors (319504954).

630673646 is a wasteful number, since it uses less digits than its factorization.

630673646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389378.

The product of its (nonzero) digits is 326592, while the sum is 41.

The square root of 630673646 is about 25113.2165602099. The cubic root of 630673646 is about 857.5673302054.

The spelling of 630673646 in words is "six hundred thirty million, six hundred seventy-three thousand, six hundred forty-six".