2772915 has 16 divisors (see below), whose sum is σ = 4457376. Its totient is φ = 1472000.

The previous prime is 2772901. The next prime is 2772923. The reversal of 2772915 is 5192772.

It is not a de Polignac number, because 2772915 - 2⁵ = 2772883 is a prime.

2772915 is a lucky number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5785 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (278586).

2^2772915 is an apocalyptic number.

2772915 is a deficient number, since it is larger than the sum of its proper divisors (1684461).

2772915 is a wasteful number, since it uses less digits than its factorization.

2772915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its digits is 8820, while the sum is 33.

The square root of 2772915 is about 1665.2071943155. The cubic root of 2772915 is about 140.4900344582.

The spelling of 2772915 in words is "two million, seven hundred seventy-two thousand, nine hundred fifteen".