2740361 has 8 divisors (see below), whose sum is σ = 2965704. Its totient is φ = 2517120.

The previous prime is 2740357. The next prime is 2740379. The reversal of 2740361 is 1630472.

It can be written as a sum of positive squares in 4 ways, for example, as 319225 + 2421136 = 565^2 + 1556^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2740361 - 2² = 2740357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2740301) 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, 3221 + ... + 3981.

It is an arithmetic number, because the mean of its divisors is an integer number (370713).

2^2740361 is an apocalyptic number.

It is an amenable number.

2740361 is a deficient number, since it is larger than the sum of its proper divisors (225343).

2740361 is a wasteful number, since it uses less digits than its factorization.

2740361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2740361 is about 1655.4035761711. The cubic root of 2740361 is about 139.9380848669.

The spelling of 2740361 in words is "two million, seven hundred forty thousand, three hundred sixty-one".