2745827 has 4 divisors (see below), whose sum is σ = 3138096. Its totient is φ = 2353560.

The previous prime is 2745797. The next prime is 2745829. The reversal of 2745827 is 7285472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2745827 - 2⁸ = 2745571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196124 + ... + 196137.

It is an arithmetic number, because the mean of its divisors is an integer number (784524).

2^2745827 is an apocalyptic number.

2745827 is a deficient number, since it is larger than the sum of its proper divisors (392269).

2745827 is an equidigital number, since it uses as much as digits as its factorization.

2745827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392268.

The product of its digits is 31360, while the sum is 35.

The square root of 2745827 is about 1657.0537106564. The cubic root of 2745827 is about 140.0310645352.

It can be divided in two parts, 27 and 45827, that added together give a palindrome (45854).

The spelling of 2745827 in words is "two million, seven hundred forty-five thousand, eight hundred twenty-seven".