2774005 has 8 divisors (see below), whose sum is σ = 3584952. Its totient is φ = 2048448.

The previous prime is 2773999. The next prime is 2774011. The reversal of 2774005 is 5004772.

It is an interprime number because it is at equal distance from previous prime (2773999) and next prime (2774011).

It can be written as a sum of positive squares in 4 ways, for example, as 77841 + 2696164 = 279^2 + 1642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2774005 - 2³ = 2773997 is a prime.

It is a Duffinian number.

2774005 is a lucky number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 21274 + ... + 21403.

It is an arithmetic number, because the mean of its divisors is an integer number (448119).

2^2774005 is an apocalyptic number.

It is an amenable number.

2774005 is a deficient number, since it is larger than the sum of its proper divisors (810947).

2774005 is a wasteful number, since it uses less digits than its factorization.

2774005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42695.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2774005 is about 1665.5344487581. The cubic root of 2774005 is about 140.5084403688.

Adding to 2774005 its reverse (5004772), we get a palindrome (7778777).

The spelling of 2774005 in words is "two million, seven hundred seventy-four thousand, five".