2744641 has 4 divisors (see below), whose sum is σ = 2771392. Its totient is φ = 2717892.

The previous prime is 2744639. The next prime is 2744689. The reversal of 2744641 is 1464472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2744641 - 2¹ = 2744639 is a prime.

It is a Duffinian number.

2744641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2744611) 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, 13221 + ... + 13426.

It is an arithmetic number, because the mean of its divisors is an integer number (692848).

2^2744641 is an apocalyptic number.

It is an amenable number.

2744641 is a deficient number, since it is larger than the sum of its proper divisors (26751).

2744641 is a wasteful number, since it uses less digits than its factorization.

2744641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26750.

The product of its digits is 5376, while the sum is 28.

The square root of 2744641 is about 1656.6958079261. The cubic root of 2744641 is about 140.0109005118.

The spelling of 2744641 in words is "two million, seven hundred forty-four thousand, six hundred forty-one".