30752930 has 48 divisors (see below), whose sum is σ = 61979904. Its totient is φ = 10969920.

The previous prime is 30752927. The next prime is 30752947. The reversal of 30752930 is 3925703.

It is a junction number, because it is equal to n+sod(n) for n = 30752893 and 30752902.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52097 + ... + 52683.

It is an arithmetic number, because the mean of its divisors is an integer number (1291248).

Almost surely, 2^30752930 is an apocalyptic number.

30752930 is an abundant number, since it is smaller than the sum of its proper divisors (31226974).

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

30752930 is a wasteful number, since it uses less digits than its factorization.

30752930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 30752930 is about 5545.5324361147. The cubic root of 30752930 is about 313.3012780949.

The spelling of 30752930 in words is "thirty million, seven hundred fifty-two thousand, nine hundred thirty".