3427345217 has 8 divisors (see below), whose sum is σ = 3444560040. Its totient is φ = 3410150400.

The previous prime is 3427345183. The next prime is 3427345219. The reversal of 3427345217 is 7125437243.

It can be written as a sum of positive squares in 4 ways, for example, as 35331136 + 3392014081 = 5944^2 + 58241^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3427345217 - 2³⁰ = 2353603393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3427345219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431393 + ... + 439265.

It is an arithmetic number, because the mean of its divisors is an integer number (430570005).

Almost surely, 2^3427345217 is an apocalyptic number.

It is an amenable number.

3427345217 is a deficient number, since it is larger than the sum of its proper divisors (17214823).

3427345217 is a wasteful number, since it uses less digits than its factorization.

3427345217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003.

The product of its digits is 141120, while the sum is 38.

The square root of 3427345217 is about 58543.5326658718. The cubic root of 3427345217 is about 1507.7150971142.

The spelling of 3427345217 in words is "three billion, four hundred twenty-seven million, three hundred forty-five thousand, two hundred seventeen".