29709149 has 8 divisors (see below), whose sum is σ = 31747320. Its totient is φ = 27703296.

The previous prime is 29709143. The next prime is 29709151. The reversal of 29709149 is 94190792.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2220100 + 27489049 = 1490^2 + 5243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29709149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29709143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6164 + ... + 9869.

It is an arithmetic number, because the mean of its divisors is an integer number (3968415).

Almost surely, 2^29709149 is an apocalyptic number.

It is an amenable number.

29709149 is a deficient number, since it is larger than the sum of its proper divisors (2038171).

29709149 is a wasteful number, since it uses less digits than its factorization.

29709149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16159.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 29709149 is about 5450.6099658662. The cubic root of 29709149 is about 309.7158304658.

The spelling of 29709149 in words is "twenty-nine million, seven hundred nine thousand, one hundred forty-nine".