630719332 has 6 divisors (see below), whose sum is σ = 1103758838. Its totient is φ = 315359664.

The previous prime is 630719303. The next prime is 630719333. The reversal of 630719332 is 233917036.

It can be written as a sum of positive squares in only one way, i.e., 629809216 + 910116 = 25096^2 + 954^2 .

It is not an unprimeable number, because it can be changed into a prime (630719333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78839913 + ... + 78839920.

Almost surely, 2^630719332 is an apocalyptic number.

It is an amenable number.

630719332 is a deficient number, since it is larger than the sum of its proper divisors (473039506).

630719332 is a wasteful number, since it uses less digits than its factorization.

630719332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157679837 (or 157679835 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 630719332 is about 25114.1261444630. The cubic root of 630719332 is about 857.5880370984.

The spelling of 630719332 in words is "six hundred thirty million, seven hundred nineteen thousand, three hundred thirty-two".