3702145 has 4 divisors (see below), whose sum is σ = 4442580. Its totient is φ = 2961712.

The previous prime is 3702119. The next prime is 3702161. The reversal of 3702145 is 5412073.

3702145 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, and also an emirpimes, since its reverse is a distinct semiprime: 5412073 = 31 ⋅174583.

It can be written as a sum of positive squares in 2 ways, for example, as 2053489 + 1648656 = 1433^2 + 1284^2 .

It is a cyclic number.

It is not a de Polignac number, because 3702145 - 2¹¹ = 3700097 is a prime.

3702145 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370210 + ... + 370219.

It is an arithmetic number, because the mean of its divisors is an integer number (1110645).

Almost surely, 2^3702145 is an apocalyptic number.

It is an amenable number.

3702145 is a deficient number, since it is larger than the sum of its proper divisors (740435).

3702145 is an equidigital number, since it uses as much as digits as its factorization.

3702145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740434.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3702145 is about 1924.0958915813. The cubic root of 3702145 is about 154.6979201565.

The spelling of 3702145 in words is "three million, seven hundred two thousand, one hundred forty-five".