30117712 has 20 divisors (see below), whose sum is σ = 59058720. Its totient is φ = 14876768.

The previous prime is 30117701. The next prime is 30117719. The reversal of 30117712 is 21771103.

It is a super-2 number, since 2×30117712² = 1814153152229888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30117719) 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, 10012 + ... + 12667.

It is an arithmetic number, because the mean of its divisors is an integer number (2952936).

Almost surely, 2^30117712 is an apocalyptic number.

It is an amenable number.

30117712 is a deficient number, since it is larger than the sum of its proper divisors (28941008).

30117712 is a wasteful number, since it uses less digits than its factorization.

30117712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22770 (or 22764 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 30117712 is about 5487.9606412583. The cubic root of 30117712 is about 311.1291186100.

Adding to 30117712 its reverse (21771103), we get a palindrome (51888815).

The spelling of 30117712 in words is "thirty million, one hundred seventeen thousand, seven hundred twelve".