2770005 has 64 divisors (see below), whose sum is σ = 5603328. Its totient is φ = 1140480.

The previous prime is 2769983. The next prime is 2770043. The reversal of 2770005 is 5000772.

It is not a de Polignac number, because 2770005 - 2⁶ = 2769941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74847 + ... + 74883.

It is an arithmetic number, because the mean of its divisors is an integer number (87552).

2^2770005 is an apocalyptic number.

It is an amenable number.

2770005 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2770005 is a wasteful number, since it uses less digits than its factorization.

2770005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106.

The product of its (nonzero) digits is 490, while the sum is 21.

The square root of 2770005 is about 1664.3331998131. Note that the first 3 decimals coincide. The cubic root of 2770005 is about 140.4408721031.

Adding to 2770005 its reverse (5000772), we get a palindrome (7770777).

The spelling of 2770005 in words is "two million, seven hundred seventy thousand, five".