30172014 has 20 divisors (see below), whose sum is σ = 67608024. Its totient is φ = 10057284.

The previous prime is 30172013. The next prime is 30172039. The reversal of 30172014 is 41027103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30172013) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 92962 + ... + 93285.

Almost surely, 2^30172014 is an apocalyptic number.

30172014 is an abundant number, since it is smaller than the sum of its proper divisors (37436010).

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

30172014 is a wasteful number, since it uses less digits than its factorization.

30172014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186261 (or 186252 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 30172014 is about 5492.9057883783. The cubic root of 30172014 is about 311.3159941352.

Adding to 30172014 its reverse (41027103), we get a palindrome (71199117).

The spelling of 30172014 in words is "thirty million, one hundred seventy-two thousand, fourteen".