30730316 has 12 divisors (see below), whose sum is σ = 53978400. Its totient is φ = 15307920.

The previous prime is 30730309. The next prime is 30730319. The reversal of 30730316 is 61303703.

It is a junction number, because it is equal to n+sod(n) for n = 30730291 and 30730300.

It is not an unprimeable number, because it can be changed into a prime (30730319) 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, 13091 + ... + 15258.

It is an arithmetic number, because the mean of its divisors is an integer number (4498200).

Almost surely, 2^30730316 is an apocalyptic number.

It is an amenable number.

30730316 is a deficient number, since it is larger than the sum of its proper divisors (23248084).

30730316 is a wasteful number, since it uses less digits than its factorization.

30730316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28624 (or 28622 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 30730316 is about 5543.4931225717. The cubic root of 30730316 is about 313.2244644661.

The spelling of 30730316 in words is "thirty million, seven hundred thirty thousand, three hundred sixteen".