630354172 has 24 divisors (see below), whose sum is σ = 1291459680. Its totient is φ = 263562240.

The previous prime is 630354133. The next prime is 630354187. The reversal of 630354172 is 271453036.

630354172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273397 + ... + 275692.

It is an arithmetic number, because the mean of its divisors is an integer number (53810820).

Almost surely, 2^630354172 is an apocalyptic number.

It is an amenable number.

630354172 is an abundant number, since it is smaller than the sum of its proper divisors (661105508).

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

630354172 is a wasteful number, since it uses less digits than its factorization.

630354172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549141 (or 549139 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 630354172 is about 25106.8550798383. The cubic root of 630354172 is about 857.4225026649.

The spelling of 630354172 in words is "six hundred thirty million, three hundred fifty-four thousand, one hundred seventy-two".