8107345 has 4 divisors (see below), whose sum is σ = 9728820. Its totient is φ = 6485872.

The previous prime is 8107331. The next prime is 8107361. The reversal of 8107345 is 5437018.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5437018 = 2 ⋅2718509.

It can be written as a sum of positive squares in 2 ways, for example, as 2798929 + 5308416 = 1673^2 + 2304^2 .

It is a cyclic number.

It is not a de Polignac number, because 8107345 - 2⁵ = 8107313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810730 + ... + 810739.

It is an arithmetic number, because the mean of its divisors is an integer number (2432205).

Almost surely, 2^8107345 is an apocalyptic number.

It is an amenable number.

8107345 is a deficient number, since it is larger than the sum of its proper divisors (1621475).

8107345 is a wasteful number, since it uses less digits than its factorization.

8107345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621474.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 8107345 is about 2847.3399867245. The cubic root of 8107345 is about 200.8905702042.

It can be divided in two parts, 81073 and 45, that added together give a palindrome (81118).

The spelling of 8107345 in words is "eight million, one hundred seven thousand, three hundred forty-five".