30027140 has 48 divisors (see below), whose sum is σ = 74088000. Its totient is φ = 10078080.

The previous prime is 30027139. The next prime is 30027157. The reversal of 30027140 is 4172003.

It is a happy number.

It is an unprimeable number.

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, 2390 + ... + 8109.

It is an arithmetic number, because the mean of its divisors is an integer number (1543500).

Almost surely, 2^30027140 is an apocalyptic number.

It is an amenable number.

30027140 is an abundant number, since it is smaller than the sum of its proper divisors (44060860).

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

30027140 is a wasteful number, since it uses less digits than its factorization.

30027140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10532 (or 10530 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 30027140 is about 5479.7025466717. The cubic root of 30027140 is about 310.8169226762.

Adding to 30027140 its reverse (4172003), we get a palindrome (34199143).

The spelling of 30027140 in words is "thirty million, twenty-seven thousand, one hundred forty".