2749641 has 8 divisors (see below), whose sum is σ = 3744384. Its totient is φ = 1794000.

The previous prime is 2749639. The next prime is 2749667. The reversal of 2749641 is 1469472.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2749641 - 2¹ = 2749639 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2749441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9610 + ... + 9891.

It is an arithmetic number, because the mean of its divisors is an integer number (468048).

2^2749641 is an apocalyptic number.

It is an amenable number.

2749641 is a deficient number, since it is larger than the sum of its proper divisors (994743).

2749641 is a wasteful number, since it uses less digits than its factorization.

2749641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19551.

The product of its digits is 12096, while the sum is 33.

The square root of 2749641 is about 1658.2041490721. The cubic root of 2749641 is about 140.0958697092.

The spelling of 2749641 in words is "two million, seven hundred forty-nine thousand, six hundred forty-one".