30372164 has 24 divisors (see below), whose sum is σ = 55520640. Its totient is φ = 14519456.

The previous prime is 30372163. The next prime is 30372187. The reversal of 30372164 is 46127303.

It is not an unprimeable number, because it can be changed into a prime (30372163) 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, 11189 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^30372164 is an apocalyptic number.

It is an amenable number.

30372164 is a deficient number, since it is larger than the sum of its proper divisors (25148476).

30372164 is a wasteful number, since it uses less digits than its factorization.

30372164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587 (or 2585 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30372164 is about 5511.0946281116. The cubic root of 30372164 is about 312.0028626737.

Adding to 30372164 its reverse (46127303), we get a palindrome (76499467).

The spelling of 30372164 in words is "thirty million, three hundred seventy-two thousand, one hundred sixty-four".