2740647 has 16 divisors (see below), whose sum is σ = 4497920. Its totient is φ = 1445472.

The previous prime is 2740643. The next prime is 2740649. The reversal of 2740647 is 7460472.

2740647 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2740647 - 2² = 2740643 is a prime.

It is a super-2 number, since 2×2740647² = 15022291957218, which contains 22 as substring.

2740647 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4747 + ... + 5292.

It is an arithmetic number, because the mean of its divisors is an integer number (281120).

2^2740647 is an apocalyptic number.

2740647 is a deficient number, since it is larger than the sum of its proper divisors (1757273).

2740647 is a wasteful number, since it uses less digits than its factorization.

2740647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 2740647 is about 1655.4899576862. The cubic root of 2740647 is about 139.9429529482.

The spelling of 2740647 in words is "two million, seven hundred forty thousand, six hundred forty-seven".