3713945 has 4 divisors (see below), whose sum is σ = 4456740. Its totient is φ = 2971152.

The previous prime is 3713929. The next prime is 3713993. The reversal of 3713945 is 5493173.

It is a happy number.

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 502681 + 3211264 = 709^2 + 1792^2 .

It is a cyclic number.

It is not a de Polignac number, because 3713945 - 2⁴ = 3713929 is a prime.

It is a Curzon 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, 371390 + ... + 371399.

It is an arithmetic number, because the mean of its divisors is an integer number (1114185).

Almost surely, 2^3713945 is an apocalyptic number.

It is an amenable number.

3713945 is a deficient number, since it is larger than the sum of its proper divisors (742795).

3713945 is an equidigital number, since it uses as much as digits as its factorization.

3713945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742794.

The product of its digits is 11340, while the sum is 32.

The square root of 3713945 is about 1927.1598273106. The cubic root of 3713945 is about 154.8621042044.

The spelling of 3713945 in words is "three million, seven hundred thirteen thousand, nine hundred forty-five".