3730345 has 4 divisors (see below), whose sum is σ = 4476420. Its totient is φ = 2984272.

The previous prime is 3730339. The next prime is 3730367. The reversal of 3730345 is 5430373.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5430373 = 13 ⋅417721.

It can be written as a sum of positive squares in 2 ways, for example, as 2785561 + 944784 = 1669^2 + 972^2 .

It is a cyclic number.

It is not a de Polignac number, because 3730345 - 2⁵ = 3730313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373030 + ... + 373039.

It is an arithmetic number, because the mean of its divisors is an integer number (1119105).

Almost surely, 2^3730345 is an apocalyptic number.

It is an amenable number.

3730345 is a deficient number, since it is larger than the sum of its proper divisors (746075).

3730345 is an equidigital number, since it uses as much as digits as its factorization.

3730345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746074.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 3730345 is about 1931.4101066319. The cubic root of 3730345 is about 155.0897156648.

The spelling of 3730345 in words is "three million, seven hundred thirty thousand, three hundred forty-five".