2740047 has 16 divisors (see below), whose sum is σ = 3922560. Its totient is φ = 1696032.

The previous prime is 2740039. The next prime is 2740051. The reversal of 2740047 is 7400472.

It is not a de Polignac number, because 2740047 - 2³ = 2740039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2739999 and 2740026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740027) 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, 2568 + ... + 3474.

It is an arithmetic number, because the mean of its divisors is an integer number (245160).

2^2740047 is an apocalyptic number.

2740047 is a deficient number, since it is larger than the sum of its proper divisors (1182513).

2740047 is a wasteful number, since it uses less digits than its factorization.

2740047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 2740047 is about 1655.3087325330. The cubic root of 2740047 is about 139.9327398002.

The spelling of 2740047 in words is "two million, seven hundred forty thousand, forty-seven".