3775445 has 8 divisors (see below), whose sum is σ = 4797144. Its totient is φ = 2842624.

The previous prime is 3775441. The next prime is 3775501. The reversal of 3775445 is 5445773.

3775445 = T₃₅₉ + T₃₆₀ + ... + T₄₀₉.

It can be written as a sum of positive squares in 4 ways, for example, as 96721 + 3678724 = 311^2 + 1918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3775445 - 2² = 3775441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3775441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22124 + ... + 22293.

It is an arithmetic number, because the mean of its divisors is an integer number (599643).

Almost surely, 2^3775445 is an apocalyptic number.

It is an amenable number.

3775445 is a deficient number, since it is larger than the sum of its proper divisors (1021699).

3775445 is a wasteful number, since it uses less digits than its factorization.

3775445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44439.

The product of its digits is 58800, while the sum is 35.

The square root of 3775445 is about 1943.0504368132. The cubic root of 3775445 is about 155.7122269779.

The spelling of 3775445 in words is "three million, seven hundred seventy-five thousand, four hundred forty-five".