29680039 has 2 divisors, whose sum is σ = 29680040. Its totient is φ = 29680038.

The previous prime is 29680037. The next prime is 29680061. The reversal of 29680039 is 93008692.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29680039 - 2¹ = 29680037 is a prime.

Together with 29680037, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29680037) 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 as a sum of consecutive naturals, namely, 14840019 + 14840020.

It is an arithmetic number, because the mean of its divisors is an integer number (14840020).

Almost surely, 2^29680039 is an apocalyptic number.

29680039 is a deficient number, since it is larger than the sum of its proper divisors (1).

29680039 is an equidigital number, since it uses as much as digits as its factorization.

29680039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 29680039 is about 5447.9389680869. The cubic root of 29680039 is about 309.6146408278.

The spelling of 29680039 in words is "twenty-nine million, six hundred eighty thousand, thirty-nine".