3240745817 has 4 divisors (see below), whose sum is σ = 3270477540. Its totient is φ = 3211014096.

The previous prime is 3240745789. The next prime is 3240745829. The reversal of 3240745817 is 7185470423.

3240745817 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2514119881 + 726625936 = 50141^2 + 26956^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240745817 - 2¹⁶ = 3240680281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3240745877) 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, 14865698 + ... + 14865915.

It is an arithmetic number, because the mean of its divisors is an integer number (817619385).

Almost surely, 2^3240745817 is an apocalyptic number.

It is an amenable number.

3240745817 is a deficient number, since it is larger than the sum of its proper divisors (29731723).

3240745817 is a wasteful number, since it uses less digits than its factorization.

3240745817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29731722.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 3240745817 is about 56927.5488406097. The cubic root of 3240745817 is about 1479.8407755721.

The spelling of 3240745817 in words is "three billion, two hundred forty million, seven hundred forty-five thousand, eight hundred seventeen".