2740455 has 12 divisors (see below), whose sum is σ = 4750200. Its totient is φ = 1461552.

The previous prime is 2740453. The next prime is 2740459. The reversal of 2740455 is 5540472.

It is not a de Polignac number, because 2740455 - 2¹ = 2740453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740453) 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, 30405 + ... + 30494.

It is an arithmetic number, because the mean of its divisors is an integer number (395850).

2^2740455 is an apocalyptic number.

2740455 is a deficient number, since it is larger than the sum of its proper divisors (2009745).

2740455 is a wasteful number, since it uses less digits than its factorization.

2740455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60910 (or 60907 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 2740455 is about 1655.4319677957. The cubic root of 2740455 is about 139.9396849030.

The spelling of 2740455 in words is "two million, seven hundred forty thousand, four hundred fifty-five".