30730516894 has 72 divisors (see below), whose sum is σ = 62041994280. Its totient is φ = 11342691360.

The previous prime is 30730516889. The next prime is 30730516931. The reversal of 30730516894 is 49861503703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 157104 + ... + 293500.

It is an arithmetic number, because the mean of its divisors is an integer number (861694365).

Almost surely, 2^30730516894 is an apocalyptic number.

30730516894 is an abundant number, since it is smaller than the sum of its proper divisors (31311477386).

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

30730516894 is a wasteful number, since it uses less digits than its factorization.

30730516894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136454 (or 136436 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 30730516894 in words is "thirty billion, seven hundred thirty million, five hundred sixteen thousand, eight hundred ninety-four".