630321627 has 16 divisors (see below), whose sum is σ = 910506240. Its totient is φ = 385563552.

The previous prime is 630321623. The next prime is 630321661. The reversal of 630321627 is 726123036.

It is not a de Polignac number, because 630321627 - 2² = 630321623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630321594 and 630321603.

It is not an unprimeable number, because it can be changed into a prime (630321623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41877 + ... + 54902.

It is an arithmetic number, because the mean of its divisors is an integer number (56906640).

Almost surely, 2^630321627 is an apocalyptic number.

630321627 is a deficient number, since it is larger than the sum of its proper divisors (280184613).

630321627 is a wasteful number, since it uses less digits than its factorization.

630321627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96962.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 630321627 is about 25106.2069417106. The cubic root of 630321627 is about 857.4077462540.

The spelling of 630321627 in words is "six hundred thirty million, three hundred twenty-one thousand, six hundred twenty-seven".