30050172 has 36 divisors (see below), whose sum is σ = 79959880. Its totient is φ = 9489312.

The previous prime is 30050159. The next prime is 30050173. The reversal of 30050172 is 27105003.

It is a tau number, because it is divible by the number of its divisors (36).

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 (30050173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21283 + ... + 22650.

Almost surely, 2^30050172 is an apocalyptic number.

It is an amenable number.

30050172 is an abundant number, since it is smaller than the sum of its proper divisors (49909708).

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

30050172 is a wasteful number, since it uses less digits than its factorization.

30050172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43962 (or 43957 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 30050172 is about 5481.8037177557. The cubic root of 30050172 is about 310.8963719766.

Adding to 30050172 its reverse (27105003), we get a palindrome (57155175).

The spelling of 30050172 in words is "thirty million, fifty thousand, one hundred seventy-two".