29706641 has 2 divisors, whose sum is σ = 29706642. Its totient is φ = 29706640.

The previous prime is 29706637. The next prime is 29706689. The reversal of 29706641 is 14660792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19492225 + 10214416 = 4415^2 + 3196^2 .

It is a cyclic number.

It is not a de Polignac number, because 29706641 - 2² = 29706637 is a prime.

It is not a weakly prime, because it can be changed into another prime (29706601) 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, 14853320 + 14853321.

It is an arithmetic number, because the mean of its divisors is an integer number (14853321).

Almost surely, 2^29706641 is an apocalyptic number.

It is an amenable number.

29706641 is a deficient number, since it is larger than the sum of its proper divisors (1).

29706641 is an equidigital number, since it uses as much as digits as its factorization.

29706641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 29706641 is about 5450.3798950165. The cubic root of 29706641 is about 309.7071149782.

The spelling of 29706641 in words is "twenty-nine million, seven hundred six thousand, six hundred forty-one".