2780472 has 16 divisors (see below), whose sum is σ = 6951240. Its totient is φ = 926816.

The previous prime is 2780467. The next prime is 2780501. The reversal of 2780472 is 2740872.

2780472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹³ + 7⁵ + 8⁷ + 0 + 4⁷ + 7⁶ + 2¹⁹ .

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 3 ways as a sum of consecutive naturals, for example, 57903 + ... + 57950.

2^2780472 is an apocalyptic number.

It is an amenable number.

2780472 is an abundant number, since it is smaller than the sum of its proper divisors (4170768).

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

2780472 is a wasteful number, since it uses less digits than its factorization.

2780472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115862 (or 115858 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 2780472 is about 1667.4747374398. The cubic root of 2780472 is about 140.6175440985.

The spelling of 2780472 in words is "two million, seven hundred eighty thousand, four hundred seventy-two".