30653872 has 20 divisors (see below), whose sum is σ = 59482800. Its totient is φ = 15303488.

The previous prime is 30653867. The next prime is 30653881. The reversal of 30653872 is 27835603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14754 + ... + 16702.

It is an arithmetic number, because the mean of its divisors is an integer number (2974140).

Almost surely, 2^30653872 is an apocalyptic number.

It is an amenable number.

30653872 is a deficient number, since it is larger than the sum of its proper divisors (28828928).

30653872 is a wasteful number, since it uses less digits than its factorization.

30653872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940 (or 2934 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 30653872 is about 5536.5938987793. The cubic root of 30653872 is about 312.9645255757.

The spelling of 30653872 in words is "thirty million, six hundred fifty-three thousand, eight hundred seventy-two".