30180006 has 32 divisors (see below), whose sum is σ = 67430880. Its totient is φ = 10005408.

The previous prime is 30180001. The next prime is 30180047. The reversal of 30180006 is 60008103.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30180001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9220 + ... + 12056.

It is an arithmetic number, because the mean of its divisors is an integer number (2107215).

Almost surely, 2^30180006 is an apocalyptic number.

30180006 is an abundant number, since it is smaller than the sum of its proper divisors (37250874).

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

30180006 is a wasteful number, since it uses less digits than its factorization.

30180006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 30180006 is about 5493.6332240149. The cubic root of 30180006 is about 311.3434789625.

Adding to 30180006 its reverse (60008103), we get a palindrome (90188109).

The spelling of 30180006 in words is "thirty million, one hundred eighty thousand, six".