34345217 has 4 divisors (see below), whose sum is σ = 36152880. Its totient is φ = 32537556.

The previous prime is 34345183. The next prime is 34345229. The reversal of 34345217 is 71254343.

It is a happy number.

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: 71254343 = 3229 ⋅22067.

It is a cyclic number.

It is not a de Polignac number, because 34345217 - 2⁶ = 34345153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34345217.

It is not an unprimeable number, because it can be changed into a prime (34305217) 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, 903803 + ... + 903840.

It is an arithmetic number, because the mean of its divisors is an integer number (9038220).

Almost surely, 2^34345217 is an apocalyptic number.

It is an amenable number.

34345217 is a deficient number, since it is larger than the sum of its proper divisors (1807663).

34345217 is a wasteful number, since it uses less digits than its factorization.

34345217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807662.

The product of its digits is 10080, while the sum is 29.

The square root of 34345217 is about 5860.4792466146. The cubic root of 34345217 is about 325.0539303008.

The spelling of 34345217 in words is "thirty-four million, three hundred forty-five thousand, two hundred seventeen".