30180730 has 16 divisors (see below), whose sum is σ = 54422784. Its totient is φ = 12050640.

The previous prime is 30180727. The next prime is 30180739. The reversal of 30180730 is 3708103.

It is not an unprimeable number, because it can be changed into a prime (30180739) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3919 + ... + 8701.

It is an arithmetic number, because the mean of its divisors is an integer number (3401424).

Almost surely, 2^30180730 is an apocalyptic number.

30180730 is a deficient number, since it is larger than the sum of its proper divisors (24242054).

30180730 is a wasteful number, since it uses less digits than its factorization.

30180730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 30180730 is about 5493.6991180806. The cubic root of 30180730 is about 311.3459685895.

Adding to 30180730 its reverse (3708103), we get a palindrome (33888833).

The spelling of 30180730 in words is "thirty million, one hundred eighty thousand, seven hundred thirty".