30648768 has 28 divisors (see below), whose sum is σ = 81092040. Its totient is φ = 10216192.

The previous prime is 30648763. The next prime is 30648769. The reversal of 30648768 is 86784603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30648763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79623 + ... + 80006.

Almost surely, 2^30648768 is an apocalyptic number.

It is an amenable number.

30648768 is an abundant number, since it is smaller than the sum of its proper divisors (50443272).

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

30648768 is a wasteful number, since it uses less digits than its factorization.

30648768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159644 (or 159634 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 30648768 is about 5536.1329463805. The cubic root of 30648768 is about 312.9471546369.

The spelling of 30648768 in words is "thirty million, six hundred forty-eight thousand, seven hundred sixty-eight".