30744916 has 12 divisors (see below), whose sum is σ = 55116180. Its totient is φ = 14997440.

The previous prime is 30744913. The next prime is 30744919. The reversal of 30744916 is 61944703.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30744913) and next prime (30744919).

It can be written as a sum of positive squares in 2 ways, for example, as 9548100 + 21196816 = 3090^2 + 4604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30744911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93571 + ... + 93898.

It is an arithmetic number, because the mean of its divisors is an integer number (4593015).

Almost surely, 2^30744916 is an apocalyptic number.

It is an amenable number.

30744916 is a deficient number, since it is larger than the sum of its proper divisors (24371264).

30744916 is a wasteful number, since it uses less digits than its factorization.

30744916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187514 (or 187512 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 30744916 is about 5544.8098254133. The cubic root of 30744916 is about 313.2740610181.

The spelling of 30744916 in words is "thirty million, seven hundred forty-four thousand, nine hundred sixteen".