30661612 has 24 divisors (see below), whose sum is σ = 54835200. Its totient is φ = 14997840.

The previous prime is 30661601. The next prime is 30661621. The reversal of 30661612 is 21616603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50889 + ... + 51487.

It is an arithmetic number, because the mean of its divisors is an integer number (2284800).

Almost surely, 2^30661612 is an apocalyptic number.

It is an amenable number.

30661612 is a deficient number, since it is larger than the sum of its proper divisors (24173588).

30661612 is a wasteful number, since it uses less digits than its factorization.

30661612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 30661612 is about 5537.2928403688. The cubic root of 30661612 is about 312.9908641905.

The spelling of 30661612 in words is "thirty million, six hundred sixty-one thousand, six hundred twelve".