34472005 has 8 divisors (see below), whose sum is σ = 43799832. Its totient is φ = 25955328.

The previous prime is 34471961. The next prime is 34472017. The reversal of 34472005 is 50027443.

It can be written as a sum of positive squares in 4 ways, for example, as 12737761 + 21734244 = 3569^2 + 4662^2 .

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

It is not a de Polignac number, because 34472005 - 2¹⁹ = 33947717 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202692 + ... + 202861.

It is an arithmetic number, because the mean of its divisors is an integer number (5474979).

Almost surely, 2^34472005 is an apocalyptic number.

It is an amenable number.

34472005 is a deficient number, since it is larger than the sum of its proper divisors (9327827).

34472005 is a wasteful number, since it uses less digits than its factorization.

34472005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405575.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 34472005 is about 5871.2864859416. The cubic root of 34472005 is about 325.4534262762.

Adding to 34472005 its reverse (50027443), we get a palindrome (84499448).

The spelling of 34472005 in words is "thirty-four million, four hundred seventy-two thousand, five".