2770047 has 12 divisors (see below), whose sum is σ = 4572880. Its totient is φ = 1582848.

The previous prime is 2770043. The next prime is 2770087. The reversal of 2770047 is 7400772.

It is a happy number.

It is not a de Polignac number, because 2770047 - 2² = 2770043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2770047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21922 + ... + 22047.

2^2770047 is an apocalyptic number.

2770047 is a deficient number, since it is larger than the sum of its proper divisors (1802833).

2770047 is a wasteful number, since it uses less digits than its factorization.

2770047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43982 (or 43979 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 2770047 is about 1664.3458174310. The cubic root of 2770047 is about 140.4415819077.

The spelling of 2770047 in words is "two million, seven hundred seventy thousand, forty-seven".