2745369 has 18 divisors (see below), whose sum is σ = 4360538. Its totient is φ = 1663200.

The previous prime is 2745361. The next prime is 2745371. The reversal of 2745369 is 9635472.

It can be written as a sum of positive squares in only one way, i.e., 1411344 + 1334025 = 1188^2 + 1155^2 .

It is not a de Polignac number, because 2745369 - 2³ = 2745361 is a prime.

It is a super-2 number, since 2×2745369² = 15074101892322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2745361) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 172 + ... + 2349.

2^2745369 is an apocalyptic number.

It is an amenable number.

2745369 is a deficient number, since it is larger than the sum of its proper divisors (1615169).

2745369 is a wasteful number, since it uses less digits than its factorization.

2745369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549 (or 2535 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2745369 is about 1656.9155078036. The cubic root of 2745369 is about 140.0232784421.

The spelling of 2745369 in words is "two million, seven hundred forty-five thousand, three hundred sixty-nine".