630545334 has 32 divisors (see below), whose sum is σ = 1339553376. Its totient is φ = 197184000.

The previous prime is 630545327. The next prime is 630545369. The reversal of 630545334 is 433545036.

It is a junction number, because it is equal to n+sod(n) for n = 630545295 and 630545304.

It is a congruent number.

It is an unprimeable number.

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, 22584 + ... + 42084.

It is an arithmetic number, because the mean of its divisors is an integer number (41861043).

Almost surely, 2^630545334 is an apocalyptic number.

630545334 is an abundant number, since it is smaller than the sum of its proper divisors (709008042).

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

630545334 is a wasteful number, since it uses less digits than its factorization.

630545334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19840.

The product of its (nonzero) digits is 64800, while the sum is 33.

The square root of 630545334 is about 25110.6617594997. The cubic root of 630545334 is about 857.5091682474.

The spelling of 630545334 in words is "six hundred thirty million, five hundred forty-five thousand, three hundred thirty-four".