29170971 has 6 divisors (see below), whose sum is σ = 42135860. Its totient is φ = 19447308.

The previous prime is 29170943. The next prime is 29170979. The reversal of 29170971 is 17907192.

It is not a de Polignac number, because 29170971 - 2⁹ = 29170459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29170979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1620601 + ... + 1620618.

Almost surely, 2^29170971 is an apocalyptic number.

29170971 is a deficient number, since it is larger than the sum of its proper divisors (12964889).

29170971 is a wasteful number, since it uses less digits than its factorization.

29170971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241225 (or 3241222 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 29170971 is about 5401.0157378034. The cubic root of 29170971 is about 307.8342666855.

The spelling of 29170971 in words is "twenty-nine million, one hundred seventy thousand, nine hundred seventy-one".