630743712 has 48 divisors (see below), whose sum is σ = 1674328320. Its totient is φ = 207882752.

The previous prime is 630743669. The next prime is 630743723. The reversal of 630743712 is 217347036.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28368 + ... + 45455.

It is an arithmetic number, because the mean of its divisors is an integer number (34881840).

Almost surely, 2^630743712 is an apocalyptic number.

It is an amenable number.

630743712 is an abundant number, since it is smaller than the sum of its proper divisors (1043584608).

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

630743712 is a wasteful number, since it uses less digits than its factorization.

630743712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73925 (or 73917 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 630743712 is about 25114.6115239715. The cubic root of 630743712 is about 857.5990867713.

The spelling of 630743712 in words is "six hundred thirty million, seven hundred forty-three thousand, seven hundred twelve".