2775345 has 16 divisors (see below), whose sum is σ = 4525632. Its totient is φ = 1451840.

The previous prime is 2775323. The next prime is 2775347. The reversal of 2775345 is 5435772.

It is not a de Polignac number, because 2775345 - 2⁵ = 2775313 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹⁹ + 7 + 7⁶ + 5⁵ + 3¹¹ + 4 + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (2775347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (282852).

2^2775345 is an apocalyptic number.

It is an amenable number.

2775345 is a deficient number, since it is larger than the sum of its proper divisors (1750287).

2775345 is a wasteful number, since it uses less digits than its factorization.

2775345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552.

The product of its digits is 29400, while the sum is 33.

The square root of 2775345 is about 1665.9366734663. The cubic root of 2775345 is about 140.5310612126.

The spelling of 2775345 in words is "two million, seven hundred seventy-five thousand, three hundred forty-five".