630603752 has 16 divisors (see below), whose sum is σ = 1204691940. Its totient is φ = 309352576.

The previous prime is 630603713. The next prime is 630603769. The reversal of 630603752 is 257306036.

It can be written as a sum of positive squares in 2 ways, for example, as 629708836 + 894916 = 25094^2 + 946^2 .

It is a super-2 number, since 2×630603752² = 795322184072955008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743213 + ... + 744060.

Almost surely, 2^630603752 is an apocalyptic number.

It is an amenable number.

630603752 is a deficient number, since it is larger than the sum of its proper divisors (574088188).

630603752 is a wasteful number, since it uses less digits than its factorization.

630603752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487332 (or 1487328 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 630603752 is about 25111.8249436396. The cubic root of 630603752 is about 857.5356492530.

Adding to 630603752 its reverse (257306036), we get a palindrome (887909788).

The spelling of 630603752 in words is "six hundred thirty million, six hundred three thousand, seven hundred fifty-two".