30735668 has 12 divisors (see below), whose sum is σ = 53928420. Its totient is φ = 15327552.

The previous prime is 30735631. The next prime is 30735709. The reversal of 30735668 is 86653703.

It can be written as a sum of positive squares in 2 ways, for example, as 7963684 + 22771984 = 2822^2 + 4772^2 .

It is a congruent number.

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, 8321 + ... + 11432.

It is an arithmetic number, because the mean of its divisors is an integer number (4494035).

Almost surely, 2^30735668 is an apocalyptic number.

It is an amenable number.

30735668 is a deficient number, since it is larger than the sum of its proper divisors (23192752).

30735668 is a wasteful number, since it uses less digits than its factorization.

30735668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20146 (or 20144 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 30735668 is about 5543.9758296731. The cubic root of 30735668 is about 313.2426471626.

The spelling of 30735668 in words is "thirty million, seven hundred thirty-five thousand, six hundred sixty-eight".