2744791 has 4 divisors (see below), whose sum is σ = 3136912. Its totient is φ = 2352672.

The previous prime is 2744783. The next prime is 2744867. The reversal of 2744791 is 1974472.

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

It is not a de Polignac number, because 2744791 - 2³ = 2744783 is a prime.

It is a Duffinian number.

2744791 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2744761) 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, 196050 + ... + 196063.

It is an arithmetic number, because the mean of its divisors is an integer number (784228).

2^2744791 is an apocalyptic number.

2744791 is a deficient number, since it is larger than the sum of its proper divisors (392121).

2744791 is an equidigital number, since it uses as much as digits as its factorization.

2744791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392120.

The product of its digits is 14112, while the sum is 34.

The square root of 2744791 is about 1656.7410781411. The cubic root of 2744791 is about 140.0134510885.

The spelling of 2744791 in words is "two million, seven hundred forty-four thousand, seven hundred ninety-one".