30500272 has 20 divisors (see below), whose sum is σ = 64466856. Its totient is φ = 13863680.

The previous prime is 30500219. The next prime is 30500279. The reversal of 30500272 is 27200503.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30500279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86473 + ... + 86824.

Almost surely, 2^30500272 is an apocalyptic number.

It is an amenable number.

30500272 is an abundant number, since it is smaller than the sum of its proper divisors (33966584).

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

30500272 is a wasteful number, since it uses less digits than its factorization.

30500272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173316 (or 173310 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 30500272 is about 5522.7051342617. The cubic root of 30500272 is about 312.4409172569.

Adding to 30500272 its reverse (27200503), we get a palindrome (57700775).

The spelling of 30500272 in words is "thirty million, five hundred thousand, two hundred seventy-two".