2728774764 has 48 divisors (see below), whose sum is σ = 7110208000. Its totient is φ = 905013648.

The previous prime is 2728774759. The next prime is 2728774817. The reversal of 2728774764 is 4674778272.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2728774764.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41992 + ... + 84975.

Almost surely, 2^2728774764 is an apocalyptic number.

It is an amenable number.

2728774764 is an abundant number, since it is smaller than the sum of its proper divisors (4381433236).

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

2728774764 is a wasteful number, since it uses less digits than its factorization.

2728774764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127179 (or 127171 counting only the distinct ones).

The product of its digits is 7375872, while the sum is 54.

The square root of 2728774764 is about 52237.6757139902. The cubic root of 2728774764 is about 1397.4058703266.

The spelling of 2728774764 in words is "two billion, seven hundred twenty-eight million, seven hundred seventy-four thousand, seven hundred sixty-four".