2745779628 has 12 divisors (see below), whose sum is σ = 6406819160. Its totient is φ = 915259872.

The previous prime is 2745779609. The next prime is 2745779671. The reversal of 2745779628 is 8269775472.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114407473 + ... + 114407496.

Almost surely, 2^2745779628 is an apocalyptic number.

It is an amenable number.

2745779628 is an abundant number, since it is smaller than the sum of its proper divisors (3661039532).

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

2745779628 is a wasteful number, since it uses less digits than its factorization.

2745779628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228814976 (or 228814974 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 57.

The square root of 2745779628 is about 52400.1872897416. The cubic root of 2745779628 is about 1400.3025924169.

The spelling of 2745779628 in words is "two billion, seven hundred forty-five million, seven hundred seventy-nine thousand, six hundred twenty-eight".