29630971 has 2 divisors, whose sum is σ = 29630972. Its totient is φ = 29630970.

The previous prime is 29630929. The next prime is 29630989. The reversal of 29630971 is 17903692.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29630971 - 2⁹ = 29630459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29630971.

It is not a weakly prime, because it can be changed into another prime (29630071) 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, 14815485 + 14815486.

It is an arithmetic number, because the mean of its divisors is an integer number (14815486).

Almost surely, 2^29630971 is an apocalyptic number.

29630971 is a deficient number, since it is larger than the sum of its proper divisors (1).

29630971 is an equidigital number, since it uses as much as digits as its factorization.

29630971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 29630971 is about 5443.4337508598. The cubic root of 29630971 is about 309.4439250710.

The spelling of 29630971 in words is "twenty-nine million, six hundred thirty thousand, nine hundred seventy-one".