29680005 has 16 divisors (see below), whose sum is σ = 49553280. Its totient is φ = 15140928.

The previous prime is 29679967. The next prime is 29680037. The reversal of 29680005 is 50008692.

It is not a de Polignac number, because 29680005 - 2⁷ = 29679877 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42670 + ... + 43359.

It is an arithmetic number, because the mean of its divisors is an integer number (3097080).

Almost surely, 2^29680005 is an apocalyptic number.

It is an amenable number.

29680005 is a deficient number, since it is larger than the sum of its proper divisors (19873275).

29680005 is a wasteful number, since it uses less digits than its factorization.

29680005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86060.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 29680005 is about 5447.9358476399. The cubic root of 29680005 is about 309.6145226013.

Adding to 29680005 its reverse (50008692), we get a palindrome (79688697).

The spelling of 29680005 in words is "twenty-nine million, six hundred eighty thousand, five".