29717141 has 4 divisors (see below), whose sum is σ = 30741900. Its totient is φ = 28692384.

The previous prime is 29717137. The next prime is 29717143. The reversal of 29717141 is 14171792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16240900 + 13476241 = 4030^2 + 3671^2 .

It is a cyclic number.

It is not a de Polignac number, because 29717141 - 2² = 29717137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29717098 and 29717107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29717143) 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 in 3 ways as a sum of consecutive naturals, for example, 512336 + ... + 512393.

It is an arithmetic number, because the mean of its divisors is an integer number (7685475).

Almost surely, 2^29717141 is an apocalyptic number.

It is an amenable number.

29717141 is a deficient number, since it is larger than the sum of its proper divisors (1024759).

29717141 is a wasteful number, since it uses less digits than its factorization.

29717141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024758.

The product of its digits is 3528, while the sum is 32.

The square root of 29717141 is about 5451.3430455256. The cubic root of 29717141 is about 309.7435999922.

The spelling of 29717141 in words is "twenty-nine million, seven hundred seventeen thousand, one hundred forty-one".