29047842 has 32 divisors (see below), whose sum is σ = 65338560. Its totient is φ = 9564480.

The previous prime is 29047841. The next prime is 29047861. The reversal of 29047842 is 24874092.

It is a junction number, because it is equal to n+sod(n) for n = 29047797 and 29047806.

It is not an unprimeable number, because it can be changed into a prime (29047841) 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 15 ways as a sum of consecutive naturals, for example, 1242 + ... + 7722.

It is an arithmetic number, because the mean of its divisors is an integer number (2041830).

Almost surely, 2^29047842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29047842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32669280).

29047842 is an abundant number, since it is smaller than the sum of its proper divisors (36290718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29047842 is a wasteful number, since it uses less digits than its factorization.

29047842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575 (or 6569 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 29047842 is about 5389.6049948025. The cubic root of 29047842 is about 307.4005389214.

The spelling of 29047842 in words is "twenty-nine million, forty-seven thousand, eight hundred forty-two".