2774563872 has 24 divisors (see below), whose sum is σ = 7283230416. Its totient is φ = 924854592.

The previous prime is 2774563861. The next prime is 2774563879. The reversal of 2774563872 is 2783654772.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2774563879) 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, 14450758 + ... + 14450949.

It is an arithmetic number, because the mean of its divisors is an integer number (303467934).

Almost surely, 2^2774563872 is an apocalyptic number.

It is an amenable number.

2774563872 is an abundant number, since it is smaller than the sum of its proper divisors (4508666544).

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

2774563872 is a wasteful number, since it uses less digits than its factorization.

2774563872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28901720 (or 28901712 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 51.

The square root of 2774563872 is about 52674.1290578212. The cubic root of 2774563872 is about 1405.1787569911.

The spelling of 2774563872 in words is "two billion, seven hundred seventy-four million, five hundred sixty-three thousand, eight hundred seventy-two".