29116047 has 4 divisors (see below), whose sum is σ = 38821400. Its totient is φ = 19410696.

The previous prime is 29116033. The next prime is 29116057. The reversal of 29116047 is 74061192.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 29116047 - 2⁸ = 29115791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29116057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4852672 + ... + 4852677.

It is an arithmetic number, because the mean of its divisors is an integer number (9705350).

Almost surely, 2^29116047 is an apocalyptic number.

29116047 is a deficient number, since it is larger than the sum of its proper divisors (9705353).

29116047 is an equidigital number, since it uses as much as digits as its factorization.

29116047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9705352.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 29116047 is about 5395.9287430432. The cubic root of 29116047 is about 307.6409453674.

The spelling of 29116047 in words is "twenty-nine million, one hundred sixteen thousand, forty-seven".