29743138 has 8 divisors (see below), whose sum is σ = 44758188. Its totient is φ = 14823744.

The previous prime is 29743127. The next prime is 29743171. The reversal of 29743138 is 83134792.

It can be written as a sum of positive squares in 2 ways, for example, as 22915369 + 6827769 = 4787^2 + 2613^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 29743097 and 29743106.

It is an unprimeable number.

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, 23131 + ... + 24382.

Almost surely, 2^29743138 is an apocalyptic number.

29743138 is a deficient number, since it is larger than the sum of its proper divisors (15015050).

29743138 is a wasteful number, since it uses less digits than its factorization.

29743138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47828.

The product of its digits is 36288, while the sum is 37.

The square root of 29743138 is about 5453.7269825322. The cubic root of 29743138 is about 309.8338964465.

The spelling of 29743138 in words is "twenty-nine million, seven hundred forty-three thousand, one hundred thirty-eight".