30000630 has 32 divisors (see below), whose sum is σ = 78547968. Its totient is φ = 7272800.

The previous prime is 30000611. The next prime is 30000637. The reversal of 30000630 is 3600003.

30000630 is a modest number, since divided by 630 gives 30 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45126 + ... + 45785.

It is an arithmetic number, because the mean of its divisors is an integer number (2454624).

Almost surely, 2^30000630 is an apocalyptic number.

30000630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30000630 is an abundant number, since it is smaller than the sum of its proper divisors (48547338).

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

30000630 is a wasteful number, since it uses less digits than its factorization.

30000630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90932.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30000630 is about 5477.2830856183. The cubic root of 30000630 is about 310.7254256429.

Adding to 30000630 its reverse (3600003), we get a palindrome (33600633).

The spelling of 30000630 in words is "thirty million, six hundred thirty", and thus it is an aban number.