29992047 has 4 divisors (see below), whose sum is σ = 39989400. Its totient is φ = 19994696.

The previous prime is 29992043. The next prime is 29992049. The reversal of 29992047 is 74029992.

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

It is a cyclic number.

It is not a de Polignac number, because 29992047 - 2² = 29992043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29992043) 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, 4998672 + ... + 4998677.

It is an arithmetic number, because the mean of its divisors is an integer number (9997350).

Almost surely, 2^29992047 is an apocalyptic number.

29992047 is a deficient number, since it is larger than the sum of its proper divisors (9997353).

29992047 is an equidigital number, since it uses as much as digits as its factorization.

29992047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9997352.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 29992047 is about 5476.4995206792. The cubic root of 29992047 is about 310.6957905908.

The spelling of 29992047 in words is "twenty-nine million, nine hundred ninety-two thousand, forty-seven".