30126732 has 24 divisors (see below), whose sum is σ = 72196656. Its totient is φ = 9770688.

The previous prime is 30126731. The next prime is 30126743. The reversal of 30126732 is 23762103.

It is not an unprimeable number, because it can be changed into a prime (30126731) 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, 33483 + ... + 34370.

It is an arithmetic number, because the mean of its divisors is an integer number (3008194).

Almost surely, 2^30126732 is an apocalyptic number.

It is an amenable number.

30126732 is an abundant number, since it is smaller than the sum of its proper divisors (42069924).

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

30126732 is a wasteful number, since it uses less digits than its factorization.

30126732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67897 (or 67895 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 30126732 is about 5488.7823786337. The cubic root of 30126732 is about 311.1601756896.

Adding to 30126732 its reverse (23762103), we get a palindrome (53888835).

The spelling of 30126732 in words is "thirty million, one hundred twenty-six thousand, seven hundred thirty-two".