30006996 has 72 divisors (see below), whose sum is σ = 76181280. Its totient is φ = 9180864.

The previous prime is 30006979. The next prime is 30007001. The reversal of 30006996 is 69960003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184011 + ... + 184173.

Almost surely, 2^30006996 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 30006996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38090640).

30006996 is an abundant number, since it is smaller than the sum of its proper divisors (46174284).

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

30006996 is a wasteful number, since it uses less digits than its factorization.

30006996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 30006996 is about 5477.8641823251. The cubic root of 30006996 is about 310.7474022721.

Adding to 30006996 its reverse (69960003), we get a palindrome (99966999).

The spelling of 30006996 in words is "thirty million, six thousand, nine hundred ninety-six".