2773073646 has 48 divisors (see below), whose sum is σ = 6887507328. Its totient is φ = 789901200.

The previous prime is 2773073629. The next prime is 2773073647. The reversal of 2773073646 is 6463703772.

2773073646 is a `hidden beast` number, since 277 + 307 + 36 + 46 = 666.

It is a super-2 number, since 2×2773073646² = 15379874892279466632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773073647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8461 + ... + 74951.

It is an arithmetic number, because the mean of its divisors is an integer number (143489736).

Almost surely, 2^2773073646 is an apocalyptic number.

2773073646 is an abundant number, since it is smaller than the sum of its proper divisors (4114433682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2773073646 is a wasteful number, since it uses less digits than its factorization.

2773073646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66837 (or 66834 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 45.

The square root of 2773073646 is about 52659.9814470153. The cubic root of 2773073646 is about 1404.9271367929.

The spelling of 2773073646 in words is "two billion, seven hundred seventy-three million, seventy-three thousand, six hundred forty-six".