2772870 has 32 divisors (see below), whose sum is σ = 7047648. Its totient is φ = 695808.

The previous prime is 2772839. The next prime is 2772881. The reversal of 2772870 is 782772.

It is a happy number.

2772870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 2209 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (220239).

2^2772870 is an apocalyptic number.

2772870 is an abundant number, since it is smaller than the sum of its proper divisors (4274778).

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

2772870 is a wasteful number, since it uses less digits than its factorization.

2772870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 2772870 is about 1665.1936824286. The cubic root of 2772870 is about 140.4892744775.

The spelling of 2772870 in words is "two million, seven hundred seventy-two thousand, eight hundred seventy".