30646768 has 10 divisors (see below), whose sum is σ = 59378144. Its totient is φ = 15323376.

The previous prime is 30646757. The next prime is 30646789. The reversal of 30646768 is 86764603.

It is a self number, because there is not a number n which added to its sum of digits gives 30646768.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 957696 + ... + 957727.

Almost surely, 2^30646768 is an apocalyptic number.

It is an amenable number.

30646768 is a deficient number, since it is larger than the sum of its proper divisors (28731376).

30646768 is a wasteful number, since it uses less digits than its factorization.

30646768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915431 (or 1915425 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 30646768 is about 5535.9523119333. The cubic root of 30646768 is about 312.9403473168.

It can be divided in two parts, 306 and 46768, that added together give a palindrome (47074).

The spelling of 30646768 in words is "thirty million, six hundred forty-six thousand, seven hundred sixty-eight".