3075661 has 4 divisors (see below), whose sum is σ = 3147232. Its totient is φ = 3004092.

The previous prime is 3075619. The next prime is 3075671. The reversal of 3075661 is 1665703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3075661 - 2¹⁷ = 2944589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3075601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35721 + ... + 35806.

It is an arithmetic number, because the mean of its divisors is an integer number (786808).

Almost surely, 2^3075661 is an apocalyptic number.

It is an amenable number.

3075661 is a deficient number, since it is larger than the sum of its proper divisors (71571).

3075661 is an equidigital number, since it uses as much as digits as its factorization.

3075661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71570.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3075661 is about 1753.7562544436. The cubic root of 3075661 is about 145.4273717111.

The spelling of 3075661 in words is "three million, seventy-five thousand, six hundred sixty-one".