30806069 has 8 divisors (see below), whose sum is σ = 35432448. Its totient is φ = 26236080.

The previous prime is 30806063. The next prime is 30806071. The reversal of 30806069 is 96060803.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30806069 - 2⁴ = 30806053 is a prime.

It is a super-2 number, since 2×30806069² = 1898027774465522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30806063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12917 + ... + 15114.

It is an arithmetic number, because the mean of its divisors is an integer number (4429056).

Almost surely, 2^30806069 is an apocalyptic number.

It is an amenable number.

30806069 is a deficient number, since it is larger than the sum of its proper divisors (4626379).

30806069 is a wasteful number, since it uses less digits than its factorization.

30806069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28195.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 30806069 is about 5550.3215222183. The cubic root of 30806069 is about 313.4816287871.

The spelling of 30806069 in words is "thirty million, eight hundred six thousand, sixty-nine".