30132872 has 48 divisors (see below), whose sum is σ = 70990080. Its totient is φ = 11737440.

The previous prime is 30132871. The next prime is 30132877. The reversal of 30132872 is 27823103.

It is not an unprimeable number, because it can be changed into a prime (30132871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4553 + ... + 8999.

It is an arithmetic number, because the mean of its divisors is an integer number (1478960).

Almost surely, 2^30132872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30132872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35495040).

30132872 is an abundant number, since it is smaller than the sum of its proper divisors (40857208).

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

30132872 is a wasteful number, since it uses less digits than its factorization.

30132872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482 (or 4467 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 30132872 is about 5489.3416727327. The cubic root of 30132872 is about 311.1813129938.

Adding to 30132872 its reverse (27823103), we get a palindrome (57955975).

It can be divided in two parts, 3013 and 2872, that added together give a palindrome (5885).

The spelling of 30132872 in words is "thirty million, one hundred thirty-two thousand, eight hundred seventy-two".