2740463 has 4 divisors (see below), whose sum is σ = 2989608. Its totient is φ = 2491320.

The previous prime is 2740459. The next prime is 2740469. The reversal of 2740463 is 3640472.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2740463 - 2² = 2740459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124556 + ... + 124577.

It is an arithmetic number, because the mean of its divisors is an integer number (747402).

2^2740463 is an apocalyptic number.

2740463 is a deficient number, since it is larger than the sum of its proper divisors (249145).

2740463 is a wasteful number, since it uses less digits than its factorization.

2740463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249144.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 2740463 is about 1655.4343840817. The cubic root of 2740463 is about 139.9398210746.

Subtracting 2740463 from its reverse (3640472), we obtain a palindrome (900009).

The spelling of 2740463 in words is "two million, seven hundred forty thousand, four hundred sixty-three".