2745671 has 16 divisors (see below), whose sum is σ = 3095040. Its totient is φ = 2423520.

The previous prime is 2745661. The next prime is 2745697. The reversal of 2745671 is 1765472.

It is a cyclic number.

It is not a de Polignac number, because 2745671 - 2⁶ = 2745607 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 (2745661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26606 + ... + 26708.

It is an arithmetic number, because the mean of its divisors is an integer number (193440).

2^2745671 is an apocalyptic number.

2745671 is a deficient number, since it is larger than the sum of its proper divisors (349369).

2745671 is a wasteful number, since it uses less digits than its factorization.

2745671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206.

The product of its digits is 11760, while the sum is 32.

The square root of 2745671 is about 1657.0066384900. The cubic root of 2745671 is about 140.0284126007.

The spelling of 2745671 in words is "two million, seven hundred forty-five thousand, six hundred seventy-one".