4630721326 has 32 divisors (see below), whose sum is σ = 8745822720. Its totient is φ = 1786308000.

The previous prime is 4630721321. The next prime is 4630721369. The reversal of 4630721326 is 6231270364.

It is a junction number, because it is equal to n+sod(n) for n = 4630721291 and 4630721300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4630721321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133306 + ... + 164413.

It is an arithmetic number, because the mean of its divisors is an integer number (273306960).

Almost surely, 2^4630721326 is an apocalyptic number.

4630721326 is a deficient number, since it is larger than the sum of its proper divisors (4115101394).

4630721326 is a wasteful number, since it uses less digits than its factorization.

4630721326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297840.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 4630721326 is about 68049.4035682900. The cubic root of 4630721326 is about 1666.7976599353.

The spelling of 4630721326 in words is "four billion, six hundred thirty million, seven hundred twenty-one thousand, three hundred twenty-six".