29372009 has 2 divisors, whose sum is σ = 29372010. Its totient is φ = 29372008.

The previous prime is 29372003. The next prime is 29372011. The reversal of 29372009 is 90027392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19386409 + 9985600 = 4403^2 + 3160^2 .

It is a cyclic number.

It is not a de Polignac number, because 29372009 - 2¹² = 29367913 is a prime.

It is a Sophie Germain prime.

Together with 29372011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29372003) 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 as a sum of consecutive naturals, namely, 14686004 + 14686005.

It is an arithmetic number, because the mean of its divisors is an integer number (14686005).

Almost surely, 2^29372009 is an apocalyptic number.

It is an amenable number.

29372009 is a deficient number, since it is larger than the sum of its proper divisors (1).

29372009 is an equidigital number, since it uses as much as digits as its factorization.

29372009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 29372009 is about 5419.5949110612. The cubic root of 29372009 is about 308.5398169553.

The spelling of 29372009 in words is "twenty-nine million, three hundred seventy-two thousand, nine".