630798976 has 16 divisors (see below), whose sum is σ = 1256670090. Its totient is φ = 315399424.

The previous prime is 630798953. The next prime is 630798979. The reversal of 630798976 is 679897036.

It can be written as a sum of positive squares in only one way, i.e., 574848576 + 55950400 = 23976^2 + 7480^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (630798979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2463931 + ... + 2464186.

Almost surely, 2^630798976 is an apocalyptic number.

It is an amenable number.

630798976 is a deficient number, since it is larger than the sum of its proper divisors (625871114).

630798976 is an equidigital number, since it uses as much as digits as its factorization.

630798976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928131 (or 4928119 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 630798976 is about 25115.7117358836. The cubic root of 630798976 is about 857.6241328510.

The spelling of 630798976 in words is "six hundred thirty million, seven hundred ninety-eight thousand, nine hundred seventy-six".