30669693 has 4 divisors (see below), whose sum is σ = 40892928. Its totient is φ = 20446460.

The previous prime is 30669689. The next prime is 30669697. The reversal of 30669693 is 39696603.

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.

It is an interprime number because it is at equal distance from previous prime (30669689) and next prime (30669697).

It is a cyclic number.

It is not a de Polignac number, because 30669693 - 2² = 30669689 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30669697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5111613 + ... + 5111618.

It is an arithmetic number, because the mean of its divisors is an integer number (10223232).

Almost surely, 2^30669693 is an apocalyptic number.

It is an amenable number.

30669693 is a deficient number, since it is larger than the sum of its proper divisors (10223235).

30669693 is a wasteful number, since it uses less digits than its factorization.

30669693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223234.

The product of its (nonzero) digits is 157464, while the sum is 42.

The square root of 30669693 is about 5538.0224809945. The cubic root of 30669693 is about 313.0183584723.

The spelling of 30669693 in words is "thirty million, six hundred sixty-nine thousand, six hundred ninety-three".