29680571 has 2 divisors, whose sum is σ = 29680572. Its totient is φ = 29680570.

The previous prime is 29680529. The next prime is 29680577. The reversal of 29680571 is 17508692.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29680571 - 2¹⁰ = 29679547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (29680577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14840285 + 14840286.

It is an arithmetic number, because the mean of its divisors is an integer number (14840286).

Almost surely, 2^29680571 is an apocalyptic number.

29680571 is a deficient number, since it is larger than the sum of its proper divisors (1).

29680571 is an equidigital number, since it uses as much as digits as its factorization.

29680571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 29680571 is about 5447.9877936721. The cubic root of 29680571 is about 309.6164907131.

The spelling of 29680571 in words is "twenty-nine million, six hundred eighty thousand, five hundred seventy-one".