30765367668 has 48 divisors (see below), whose sum is σ = 82308283904. Its totient is φ = 8761465440.

The previous prime is 30765367649. The next prime is 30765367679. The reversal of 30765367668 is 86676356703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570718 + ... + 622293.

Almost surely, 2^30765367668 is an apocalyptic number.

It is an amenable number.

30765367668 is an abundant number, since it is smaller than the sum of its proper divisors (51542916236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30765367668 is a wasteful number, since it uses less digits than its factorization.

30765367668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193332 (or 1193330 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 57.

The spelling of 30765367668 in words is "thirty billion, seven hundred sixty-five million, three hundred sixty-seven thousand, six hundred sixty-eight".