3002749 has 4 divisors (see below), whose sum is σ = 3029436. Its totient is φ = 2976064.

The previous prime is 3002743. The next prime is 3002773. The reversal of 3002749 is 9472003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9472003 = 89 ⋅106427.

It can be written as a sum of positive squares in 2 ways, for example, as 1664100 + 1338649 = 1290^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 3002749 - 2⁷ = 3002621 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 (3002743) 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, 13174 + ... + 13399.

It is an arithmetic number, because the mean of its divisors is an integer number (757359).

Almost surely, 2^3002749 is an apocalyptic number.

It is an amenable number.

3002749 is a deficient number, since it is larger than the sum of its proper divisors (26687).

3002749 is a wasteful number, since it uses less digits than its factorization.

3002749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26686.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 3002749 is about 1732.8441938039. The cubic root of 3002749 is about 144.2689962938.

The spelling of 3002749 in words is "three million, two thousand, seven hundred forty-nine".