2782715 has 16 divisors (see below), whose sum is σ = 3714816. Its totient is φ = 1987200.

The previous prime is 2782709. The next prime is 2782723. The reversal of 2782715 is 5172872.

It is not a de Polignac number, because 2782715 - 2¹² = 2778619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (232176).

2^2782715 is an apocalyptic number.

2782715 is a deficient number, since it is larger than the sum of its proper divisors (932101).

2782715 is a wasteful number, since it uses less digits than its factorization.

2782715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its digits is 7840, while the sum is 32.

The square root of 2782715 is about 1668.1471757612. The cubic root of 2782715 is about 140.6553458791.

The spelling of 2782715 in words is "two million, seven hundred eighty-two thousand, seven hundred fifteen".