30744161 has 8 divisors (see below), whose sum is σ = 35478144. Its totient is φ = 26095680.

The previous prime is 30744149. The next prime is 30744163. The reversal of 30744161 is 16144703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30744161 - 2¹⁸ = 30482017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30744161.

It is not an unprimeable number, because it can be changed into a prime (30744163) 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, 20600 + ... + 22041.

It is an arithmetic number, because the mean of its divisors is an integer number (4434768).

Almost surely, 2^30744161 is an apocalyptic number.

It is an amenable number.

30744161 is a deficient number, since it is larger than the sum of its proper divisors (4733983).

30744161 is a wasteful number, since it uses less digits than its factorization.

30744161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42751.

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

The square root of 30744161 is about 5544.7417433096. The cubic root of 30744161 is about 313.2714966499.

Adding to 30744161 its reverse (16144703), we get a palindrome (46888864).

The spelling of 30744161 in words is "thirty million, seven hundred forty-four thousand, one hundred sixty-one".