30666132 has 72 divisors (see below), whose sum is σ = 89858496. Its totient is φ = 8636544.

The previous prime is 30666131. The next prime is 30666143. The reversal of 30666132 is 23166603.

It is a junction number, because it is equal to n+sod(n) for n = 30666096 and 30666105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30666131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17563 + ... + 19229.

Almost surely, 2^30666132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30666132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44929248).

30666132 is an abundant number, since it is smaller than the sum of its proper divisors (59192364).

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

30666132 is a wasteful number, since it uses less digits than its factorization.

30666132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30666132 is about 5537.7009670079. The cubic root of 30666132 is about 313.0062433470.

The spelling of 30666132 in words is "thirty million, six hundred sixty-six thousand, one hundred thirty-two".