30530712 has 16 divisors (see below), whose sum is σ = 76326840. Its totient is φ = 10176896.

The previous prime is 30530711. The next prime is 30530713. The reversal of 30530712 is 21703503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30530711) and next prime (30530713).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 636033 + ... + 636080.

Almost surely, 2^30530712 is an apocalyptic number.

It is an amenable number.

30530712 is an abundant number, since it is smaller than the sum of its proper divisors (45796128).

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

30530712 is a wasteful number, since it uses less digits than its factorization.

30530712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272122 (or 1272118 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 30530712 is about 5525.4603428131. The cubic root of 30530712 is about 312.5448238637.

The spelling of 30530712 in words is "thirty million, five hundred thirty thousand, seven hundred twelve".