2740761 has 12 divisors (see below), whose sum is σ = 4095780. Its totient is φ = 1764000.

The previous prime is 2740739. The next prime is 2740763. The reversal of 2740761 is 1670472.

It can be written as a sum of positive squares in 2 ways, for example, as 1115136 + 1625625 = 1056^2 + 1275^2 .

It is not a de Polignac number, because 2740761 - 2⁹ = 2740249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2740763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4990 + ... + 5511.

It is an arithmetic number, because the mean of its divisors is an integer number (341315).

2^2740761 is an apocalyptic number.

It is an amenable number.

2740761 is a deficient number, since it is larger than the sum of its proper divisors (1355019).

2740761 is a wasteful number, since it uses less digits than its factorization.

2740761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536 (or 10533 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2740761 is about 1655.5243882227. The cubic root of 2740761 is about 139.9448932778.

The spelling of 2740761 in words is "two million, seven hundred forty thousand, seven hundred sixty-one".