2773147 has 4 divisors (see below), whose sum is σ = 2986480. Its totient is φ = 2559816.

The previous prime is 2773123. The next prime is 2773153. The reversal of 2773147 is 7413772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2773147 - 2⁷ = 2773019 is a prime.

It is a Duffinian number.

2773147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2773447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106647 + ... + 106672.

It is an arithmetic number, because the mean of its divisors is an integer number (746620).

2^2773147 is an apocalyptic number.

2773147 is a deficient number, since it is larger than the sum of its proper divisors (213333).

2773147 is a wasteful number, since it uses less digits than its factorization.

2773147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213332.

The product of its digits is 8232, while the sum is 31.

The square root of 2773147 is about 1665.2768538594. The cubic root of 2773147 is about 140.4939524505.

The spelling of 2773147 in words is "two million, seven hundred seventy-three thousand, one hundred forty-seven".