30380172 has 24 divisors (see below), whose sum is σ = 71013936. Its totient is φ = 10108608.

The previous prime is 30380167. The next prime is 30380179. The reversal of 30380172 is 27108303.

It is not an unprimeable number, because it can be changed into a prime (30380179) 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, 5898 + ... + 9774.

It is an arithmetic number, because the mean of its divisors is an integer number (2958914).

Almost surely, 2^30380172 is an apocalyptic number.

It is an amenable number.

30380172 is an abundant number, since it is smaller than the sum of its proper divisors (40633764).

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

30380172 is a wasteful number, since it uses less digits than its factorization.

30380172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537 (or 4535 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 30380172 is about 5511.8211146589. The cubic root of 30380172 is about 312.0302814133.

Adding to 30380172 its reverse (27108303), we get a palindrome (57488475).

The spelling of 30380172 in words is "thirty million, three hundred eighty thousand, one hundred seventy-two".