34072217 has 4 divisors (see below), whose sum is σ = 34086096. Its totient is φ = 34058340.

The previous prime is 34072169. The next prime is 34072229. The reversal of 34072217 is 71227043.

34072217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71227043 = 47 ⋅1515469.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34072217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34072817) 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, 2159 + ... + 8532.

It is an arithmetic number, because the mean of its divisors is an integer number (8521524).

Almost surely, 2^34072217 is an apocalyptic number.

It is an amenable number.

34072217 is a deficient number, since it is larger than the sum of its proper divisors (13879).

34072217 is a wasteful number, since it uses less digits than its factorization.

34072217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13878.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 34072217 is about 5837.1411667014. The cubic root of 34072217 is about 324.1903856162.

The spelling of 34072217 in words is "thirty-four million, seventy-two thousand, two hundred seventeen".