2775424 has 16 divisors (see below), whose sum is σ = 5529420. Its totient is φ = 1387648.

The previous prime is 2775391. The next prime is 2775431. The reversal of 2775424 is 4245772.

2775424 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10714 + ... + 10969.

2^2775424 is an apocalyptic number.

It is an amenable number.

2775424 is a deficient number, since it is larger than the sum of its proper divisors (2753996).

2775424 is an equidigital number, since it uses as much as digits as its factorization.

2775424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21697 (or 21685 counting only the distinct ones).

The product of its digits is 15680, while the sum is 31.

The square root of 2775424 is about 1665.9603836826. The cubic root of 2775424 is about 140.5323946022.

The spelling of 2775424 in words is "two million, seven hundred seventy-five thousand, four hundred twenty-four".