29472005 has 4 divisors (see below), whose sum is σ = 35366412. Its totient is φ = 23577600.

The previous prime is 29471971. The next prime is 29472011. The reversal of 29472005 is 50027492.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19731364 + 9740641 = 4442^2 + 3121^2 .

It is not a de Polignac number, because 29472005 - 2⁶ = 29471941 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2947196 + ... + 2947205.

It is an arithmetic number, because the mean of its divisors is an integer number (8841603).

Almost surely, 2^29472005 is an apocalyptic number.

It is an amenable number.

29472005 is a deficient number, since it is larger than the sum of its proper divisors (5894407).

29472005 is an equidigital number, since it uses as much as digits as its factorization.

29472005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894406.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 29472005 is about 5428.8124852494. The cubic root of 29472005 is about 308.8895581123.

Adding to 29472005 its reverse (50027492), we get a palindrome (79499497).

The spelling of 29472005 in words is "twenty-nine million, four hundred seventy-two thousand, five".