29797136 has 20 divisors (see below), whose sum is σ = 59293452. Its totient is φ = 14495616.

The previous prime is 29797133. The next prime is 29797147. The reversal of 29797136 is 63179792.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25200400 + 4596736 = 5020^2 + 2144^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29797133) 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 in 3 ways as a sum of consecutive naturals, for example, 24575 + ... + 25758.

Almost surely, 2^29797136 is an apocalyptic number.

It is an amenable number.

29797136 is a deficient number, since it is larger than the sum of its proper divisors (29496316).

29797136 is a wasteful number, since it uses less digits than its factorization.

29797136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50378 (or 50372 counting only the distinct ones).

The product of its digits is 142884, while the sum is 44.

The square root of 29797136 is about 5458.6752971760. The cubic root of 29797136 is about 310.0212819243.

The spelling of 29797136 in words is "twenty-nine million, seven hundred ninety-seven thousand, one hundred thirty-six".