3715345 has 4 divisors (see below), whose sum is σ = 4458420. Its totient is φ = 2972272.

The previous prime is 3715343. The next prime is 3715363. The reversal of 3715345 is 5435173.

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 2954961 + 760384 = 1719^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 3715345 - 2¹ = 3715343 is a prime.

3715345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3715343) 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, 371530 + ... + 371539.

It is an arithmetic number, because the mean of its divisors is an integer number (1114605).

Almost surely, 2^3715345 is an apocalyptic number.

It is an amenable number.

3715345 is a deficient number, since it is larger than the sum of its proper divisors (743075).

3715345 is an equidigital number, since it uses as much as digits as its factorization.

3715345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743074.

The product of its digits is 6300, while the sum is 28.

The square root of 3715345 is about 1927.5230219118. The cubic root of 3715345 is about 154.8815605784.

It can be divided in two parts, 37 and 15345, that multiplied together give a palindrome (567765).

The spelling of 3715345 in words is "three million, seven hundred fifteen thousand, three hundred forty-five".