29447142 has 8 divisors (see below), whose sum is σ = 58894296. Its totient is φ = 9815712.

The previous prime is 29447141. The next prime is 29447147. The reversal of 29447142 is 24174492.

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

29447142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29447141) 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, 2453923 + ... + 2453934.

It is an arithmetic number, because the mean of its divisors is an integer number (7361787).

Almost surely, 2^29447142 is an apocalyptic number.

29447142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

29447142 is a wasteful number, since it uses less digits than its factorization.

29447142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907862.

The product of its digits is 16128, while the sum is 33.

The square root of 29447142 is about 5426.5220906212. The cubic root of 29447142 is about 308.8026724759.

The spelling of 29447142 in words is "twenty-nine million, four hundred forty-seven thousand, one hundred forty-two".