630761604 has 48 divisors (see below), whose sum is σ = 1609445376. Its totient is φ = 190679200.

The previous prime is 630761603. The next prime is 630761611. The reversal of 630761604 is 406167036.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (630761603) 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 in 15 ways as a sum of consecutive naturals, for example, 51349 + ... + 62435.

It is an arithmetic number, because the mean of its divisors is an integer number (33530112).

Almost surely, 2^630761604 is an apocalyptic number.

It is an amenable number.

630761604 is an abundant number, since it is smaller than the sum of its proper divisors (978683772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630761604 is a wasteful number, since it uses less digits than its factorization.

630761604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11536 (or 11534 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 630761604 is about 25114.9677284284. The cubic root of 630761604 is about 857.6071957267.

The spelling of 630761604 in words is "six hundred thirty million, seven hundred sixty-one thousand, six hundred four".