30630006 has 72 divisors (see below), whose sum is σ = 75066264. Its totient is φ = 8951040.

The previous prime is 30629999. The next prime is 30630011. The reversal of 30630006 is 60003603.

30630006 is a `hidden beast` number, since 30 + 630 + 0 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 271006 + ... + 271118.

It is an arithmetic number, because the mean of its divisors is an integer number (1042587).

Almost surely, 2^30630006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30630006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37533132).

30630006 is an abundant number, since it is smaller than the sum of its proper divisors (44436258).

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

30630006 is a wasteful number, since it uses less digits than its factorization.

30630006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 30630006 is about 5534.4381828692. The cubic root of 30630006 is about 312.8832835211.

Adding to 30630006 its reverse (60003603), we get a palindrome (90633609).

It can be divided in two parts, 30 and 630006, that added together give a palindrome (630036).

The spelling of 30630006 in words is "thirty million, six hundred thirty thousand, six".