630744914 has 8 divisors (see below), whose sum is σ = 1001771388. Its totient is φ = 296821120.

The previous prime is 630744913. The next prime is 630744923. The reversal of 630744914 is 419447036.

It can be written as a sum of positive squares in 2 ways, for example, as 516789289 + 113955625 = 22733^2 + 10675^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630744913) 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, 9275627 + ... + 9275694.

Almost surely, 2^630744914 is an apocalyptic number.

630744914 is a deficient number, since it is larger than the sum of its proper divisors (371026474).

630744914 is a wasteful number, since it uses less digits than its factorization.

630744914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551340.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 630744914 is about 25114.6354542526. The cubic root of 630744914 is about 857.5996315427.

The spelling of 630744914 in words is "six hundred thirty million, seven hundred forty-four thousand, nine hundred fourteen".