29199971 has 2 divisors, whose sum is σ = 29199972. Its totient is φ = 29199970.

The previous prime is 29199953. The next prime is 29199997. The reversal of 29199971 is 17999192.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29199971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29199271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14599985 + 14599986.

It is an arithmetic number, because the mean of its divisors is an integer number (14599986).

Almost surely, 2^29199971 is an apocalyptic number.

29199971 is a deficient number, since it is larger than the sum of its proper divisors (1).

29199971 is an equidigital number, since it uses as much as digits as its factorization.

29199971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 47.

The square root of 29199971 is about 5403.6997510965. The cubic root of 29199971 is about 307.9362429170.

The spelling of 29199971 in words is "twenty-nine million, one hundred ninety-nine thousand, nine hundred seventy-one".