30673375128 has 288 divisors, whose sum is σ = 98079115680. Its totient is φ = 8622028800.

The previous prime is 30673375121. The next prime is 30673375129. The reversal of 30673375128 is 82157337603.

30673375128 is a `hidden beast` number, since 30 + 6 + 73 + 37 + 512 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30673375121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10513926 + ... + 10516842.

It is an arithmetic number, because the mean of its divisors is an integer number (340552485).

Almost surely, 2^30673375128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30673375128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49039557840).

30673375128 is an abundant number, since it is smaller than the sum of its proper divisors (67405740552).

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

30673375128 is a wasteful number, since it uses less digits than its factorization.

30673375128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 30673375128 in words is "thirty billion, six hundred seventy-three million, three hundred seventy-five thousand, one hundred twenty-eight".