30660712 has 16 divisors (see below), whose sum is σ = 58574340. Its totient is φ = 15040896.

The previous prime is 30660689. The next prime is 30660713. The reversal of 30660712 is 21706603.

It can be written as a sum of positive squares in 2 ways, for example, as 26275876 + 4384836 = 5126^2 + 2094^2 .

It is not an unprimeable number, because it can be changed into a prime (30660713) 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, 35733 + ... + 36580.

Almost surely, 2^30660712 is an apocalyptic number.

It is an amenable number.

30660712 is a deficient number, since it is larger than the sum of its proper divisors (27913628).

30660712 is a wasteful number, since it uses less digits than its factorization.

30660712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72372 (or 72368 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 30660712 is about 5537.2115726239. The cubic root of 30660712 is about 312.9878017886.

The spelling of 30660712 in words is "thirty million, six hundred sixty thousand, seven hundred twelve".