3072689 has 4 divisors (see below), whose sum is σ = 3171840. Its totient is φ = 2973540.

The previous prime is 3072683. The next prime is 3072701. The reversal of 3072689 is 9862703.

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 3072689 - 2¹⁶ = 3007153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3072683) 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, 49529 + ... + 49590.

It is an arithmetic number, because the mean of its divisors is an integer number (792960).

Almost surely, 2^3072689 is an apocalyptic number.

It is an amenable number.

3072689 is a deficient number, since it is larger than the sum of its proper divisors (99151).

3072689 is an equidigital number, since it uses as much as digits as its factorization.

3072689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99150.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3072689 is about 1752.9087255188. The cubic root of 3072689 is about 145.3805146358.

The spelling of 3072689 in words is "three million, seventy-two thousand, six hundred eighty-nine".