3709345 has 4 divisors (see below), whose sum is σ = 4451220. Its totient is φ = 2967472.

The previous prime is 3709337. The next prime is 3709357. The reversal of 3709345 is 5439073.

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 1498176 + 2211169 = 1224^2 + 1487^2 .

It is a cyclic number.

It is not a de Polignac number, because 3709345 - 2³ = 3709337 is a prime.

3709345 is a lucky number.

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, 370930 + ... + 370939.

It is an arithmetic number, because the mean of its divisors is an integer number (1112805).

Almost surely, 2^3709345 is an apocalyptic number.

It is an amenable number.

3709345 is a deficient number, since it is larger than the sum of its proper divisors (741875).

3709345 is an equidigital number, since it uses as much as digits as its factorization.

3709345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741874.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3709345 is about 1925.9659913924. The cubic root of 3709345 is about 154.7981416715.

The spelling of 3709345 in words is "three million, seven hundred nine thousand, three hundred forty-five".