30669933 has 48 divisors (see below), whose sum is σ = 51072000. Its totient is φ = 16275168.

The previous prime is 30669913. The next prime is 30669953. The reversal of 30669933 is 33996603.

It is an interprime number because it is at equal distance from previous prime (30669913) and next prime (30669953).

It is not a de Polignac number, because 30669933 - 2⁸ = 30669677 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30669891 and 30669900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30669913) 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 47 ways as a sum of consecutive naturals, for example, 220578 + ... + 220716.

It is an arithmetic number, because the mean of its divisors is an integer number (1064000).

Almost surely, 2^30669933 is an apocalyptic number.

It is an amenable number.

30669933 is a deficient number, since it is larger than the sum of its proper divisors (20402067).

30669933 is a wasteful number, since it uses less digits than its factorization.

30669933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 39.

The square root of 30669933 is about 5538.0441493365. The cubic root of 30669933 is about 313.0191749592.

The spelling of 30669933 in words is "thirty million, six hundred sixty-nine thousand, nine hundred thirty-three".