2740878 has 40 divisors (see below), whose sum is σ = 7021872. Its totient is φ = 782784.

The previous prime is 2740867. The next prime is 2740889. The reversal of 2740878 is 8780472.

2740878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2740867) and next prime (2740889).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75 + ... + 2342.

2^2740878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2740878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3510936).

2740878 is an abundant number, since it is smaller than the sum of its proper divisors (4280994).

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

2740878 is a wasteful number, since it uses less digits than its factorization.

2740878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438 (or 2429 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 2740878 is about 1655.5597240813. The cubic root of 2740878 is about 139.9468846127.

The spelling of 2740878 in words is "two million, seven hundred forty thousand, eight hundred seventy-eight".