2782073 has 8 divisors (see below), whose sum is σ = 3244800. Its totient is φ = 2384340.

The previous prime is 2782069. The next prime is 2782081. The reversal of 2782073 is 3702872.

It is not a de Polignac number, because 2782073 - 2² = 2782069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2782063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3713 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (405600).

2^2782073 is an apocalyptic number.

It is an amenable number.

2782073 is a deficient number, since it is larger than the sum of its proper divisors (462727).

2782073 is an frugal number, since it uses more digits than its factorization.

2782073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132 (or 8118 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2782073 is about 1667.9547355969. The cubic root of 2782073 is about 140.6445281852.

The spelling of 2782073 in words is "two million, seven hundred eighty-two thousand, seventy-three".