30735219 has 4 divisors (see below), whose sum is σ = 40980296. Its totient is φ = 20490144.

The previous prime is 30735191. The next prime is 30735223. The reversal of 30735219 is 91253703.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30735219 - 2⁷ = 30735091 is a prime.

It is a super-2 number, since 2×30735219² = 1889307373955922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30735319) 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 3 ways as a sum of consecutive naturals, for example, 5122534 + ... + 5122539.

It is an arithmetic number, because the mean of its divisors is an integer number (10245074).

Almost surely, 2^30735219 is an apocalyptic number.

30735219 is a deficient number, since it is larger than the sum of its proper divisors (10245077).

30735219 is a wasteful number, since it uses less digits than its factorization.

30735219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10245076.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 30735219 is about 5543.9353351207. The cubic root of 30735219 is about 313.2411218269.

The spelling of 30735219 in words is "thirty million, seven hundred thirty-five thousand, two hundred nineteen".