2740056 has 64 divisors (see below), whose sum is σ = 7620480. Its totient is φ = 814080.

The previous prime is 2740051. The next prime is 2740057. The reversal of 2740056 is 6500472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740051) 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, 25555 + ... + 25661.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

2^2740056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2740056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3810240).

2740056 is an abundant number, since it is smaller than the sum of its proper divisors (4880424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2740056 is a wasteful number, since it uses less digits than its factorization.

2740056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2740056 is about 1655.3114510569. The cubic root of 2740056 is about 139.9328930084.

The spelling of 2740056 in words is "two million, seven hundred forty thousand, fifty-six".