2788073 has 4 divisors (see below), whose sum is σ = 2809488. Its totient is φ = 2766660.

The previous prime is 2788069. The next prime is 2788081. The reversal of 2788073 is 3708872.

It is a happy number.

2788073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2788073 - 2² = 2788069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2788033) by changing a digit.

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, 10511 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (702372).

2^2788073 is an apocalyptic number.

It is an amenable number.

2788073 is a deficient number, since it is larger than the sum of its proper divisors (21415).

2788073 is a wasteful number, since it uses less digits than its factorization.

2788073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21414.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 2788073 is about 1669.7523768511. The cubic root of 2788073 is about 140.7455633064.

The spelling of 2788073 in words is "two million, seven hundred eighty-eight thousand, seventy-three".