29570039 has 2 divisors, whose sum is σ = 29570040. Its totient is φ = 29570038.

The previous prime is 29570029. The next prime is 29570041. The reversal of 29570039 is 93007592.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29570039 is a prime.

It is a Sophie Germain prime.

Together with 29570041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 29569990 and 29570008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29570029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14785019 + 14785020.

It is an arithmetic number, because the mean of its divisors is an integer number (14785020).

Almost surely, 2^29570039 is an apocalyptic number.

29570039 is a deficient number, since it is larger than the sum of its proper divisors (1).

29570039 is an equidigital number, since it uses as much as digits as its factorization.

29570039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 29570039 is about 5437.8340357168. The cubic root of 29570039 is about 309.2316699468.

The spelling of 29570039 in words is "twenty-nine million, five hundred seventy thousand, thirty-nine".