30012768 has 60 divisors (see below), whose sum is σ = 88274340. Its totient is φ = 10003392.

The previous prime is 30012757. The next prime is 30012781. The reversal of 30012768 is 86721003.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 9 ways as a sum of consecutive naturals, for example, 3198 + ... + 8381.

It is an arithmetic number, because the mean of its divisors is an integer number (1471239).

Almost surely, 2^30012768 is an apocalyptic number.

It is an amenable number.

30012768 is an abundant number, since it is smaller than the sum of its proper divisors (58261572).

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

30012768 is a wasteful number, since it uses less digits than its factorization.

30012768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11601 (or 11584 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 30012768 is about 5478.3910046655. The cubic root of 30012768 is about 310.7673256150.

The spelling of 30012768 in words is "thirty million, twelve thousand, seven hundred sixty-eight".