30675869 has 4 divisors (see below), whose sum is σ = 35058144. Its totient is φ = 26293596.

The previous prime is 30675857. The next prime is 30675919. The reversal of 30675869 is 96857603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96857603 = 3407 ⋅28429.

It is not a de Polignac number, because 30675869 - 2²⁴ = 13898653 is a prime.

It is a super-2 number, since 2×30675869² = 1882017877810322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30675839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2191127 + ... + 2191140.

It is an arithmetic number, because the mean of its divisors is an integer number (8764536).

Almost surely, 2^30675869 is an apocalyptic number.

It is an amenable number.

30675869 is a deficient number, since it is larger than the sum of its proper divisors (4382275).

30675869 is an equidigital number, since it uses as much as digits as its factorization.

30675869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382274.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 30675869 is about 5538.5800526850. The cubic root of 30675869 is about 313.0393680472.

The spelling of 30675869 in words is "thirty million, six hundred seventy-five thousand, eight hundred sixty-nine".