3774561 has 32 divisors (see below), whose sum is σ = 6209280. Its totient is φ = 1990656.

The previous prime is 3774517. The next prime is 3774569. The reversal of 3774561 is 1654773.

It is not a de Polignac number, because 3774561 - 2¹⁸ = 3512417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3774569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34575 + ... + 34683.

It is an arithmetic number, because the mean of its divisors is an integer number (194040).

Almost surely, 2^3774561 is an apocalyptic number.

It is an amenable number.

3774561 is a deficient number, since it is larger than the sum of its proper divisors (2434719).

3774561 is a wasteful number, since it uses less digits than its factorization.

3774561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233.

The product of its digits is 17640, while the sum is 33.

The square root of 3774561 is about 1942.8229461276. The cubic root of 3774561 is about 155.7000729710.

The spelling of 3774561 in words is "three million, seven hundred seventy-four thousand, five hundred sixty-one".