30072160 has 24 divisors (see below), whose sum is σ = 71045856. Its totient is φ = 12028800.

The previous prime is 30072149. The next prime is 30072181. The reversal of 30072160 is 6127003.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 93816 + ... + 94135.

It is an arithmetic number, because the mean of its divisors is an integer number (2960244).

Almost surely, 2^30072160 is an apocalyptic number.

It is an amenable number.

30072160 is an abundant number, since it is smaller than the sum of its proper divisors (40973696).

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

30072160 is a wasteful number, since it uses less digits than its factorization.

30072160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187966 (or 187958 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 30072160 is about 5483.8088952844. The cubic root of 30072160 is about 310.9721821115.

Adding to 30072160 its reverse (6127003), we get a palindrome (36199163).

The spelling of 30072160 in words is "thirty million, seventy-two thousand, one hundred sixty".