630236752 has 10 divisors (see below), whose sum is σ = 1221083738. Its totient is φ = 315118368.

The previous prime is 630236749. The next prime is 630236759. The reversal of 630236752 is 257632036.

It can be written as a sum of positive squares in only one way, i.e., 388247616 + 241989136 = 19704^2 + 15556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630236759) 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, 19694883 + ... + 19694914.

Almost surely, 2^630236752 is an apocalyptic number.

It is an amenable number.

630236752 is a deficient number, since it is larger than the sum of its proper divisors (590846986).

630236752 is a wasteful number, since it uses less digits than its factorization.

630236752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39389805 (or 39389799 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 630236752 is about 25104.5165657497. The cubic root of 630236752 is about 857.3692602145.

Adding to 630236752 its reverse (257632036), we get a palindrome (887868788).

The spelling of 630236752 in words is "six hundred thirty million, two hundred thirty-six thousand, seven hundred fifty-two".