30107172 has 24 divisors (see below), whose sum is σ = 73948000. Its totient is φ = 9507456.

The previous prime is 30107167. The next prime is 30107177. The reversal of 30107172 is 27170103.

It is an interprime number because it is at equal distance from previous prime (30107167) and next prime (30107177).

It is not an unprimeable number, because it can be changed into a prime (30107177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65797 + ... + 66252.

Almost surely, 2^30107172 is an apocalyptic number.

It is an amenable number.

30107172 is an abundant number, since it is smaller than the sum of its proper divisors (43840828).

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

30107172 is a wasteful number, since it uses less digits than its factorization.

30107172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132075 (or 132073 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 30107172 is about 5487.0002733734. Note that the first 3 decimals coincide. The cubic root of 30107172 is about 311.0928201076.

Adding to 30107172 its reverse (27170103), we get a palindrome (57277275).

The spelling of 30107172 in words is "thirty million, one hundred seven thousand, one hundred seventy-two".