30272190 has 32 divisors (see below), whose sum is σ = 78242976. Its totient is φ = 7451520.

The previous prime is 30272161. The next prime is 30272191. The reversal of 30272190 is 9127203.

It is a super-3 number, since 3×30272190³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 30272190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30272191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38421 + ... + 39200.

It is an arithmetic number, because the mean of its divisors is an integer number (2445093).

Almost surely, 2^30272190 is an apocalyptic number.

30272190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30272190 is an abundant number, since it is smaller than the sum of its proper divisors (47970786).

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

30272190 is a wasteful number, since it uses less digits than its factorization.

30272190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77644.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 30272190 is about 5502.0169029184. The cubic root of 30272190 is about 311.6601534602.

Adding to 30272190 its reverse (9127203), we get a palindrome (39399393).

The spelling of 30272190 in words is "thirty million, two hundred seventy-two thousand, one hundred ninety".