2745760780 has 48 divisors (see below), whose sum is σ = 6977468736. Its totient is φ = 886026240.

The previous prime is 2745760757. The next prime is 2745760781. The reversal of 2745760780 is 870675472.

It is a self number, because there is not a number n which added to its sum of digits gives 2745760780.

It is not an unprimeable number, because it can be changed into a prime (2745760781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574461 + ... + 579220.

It is an arithmetic number, because the mean of its divisors is an integer number (145363932).

Almost surely, 2^2745760780 is an apocalyptic number.

2745760780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745760780 is an abundant number, since it is smaller than the sum of its proper divisors (4231707956).

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

2745760780 is a wasteful number, since it uses less digits than its factorization.

2745760780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153714 (or 1153712 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 46.

The square root of 2745760780 is about 52400.0074427476. The cubic root of 2745760780 is about 1400.2993883525.

The spelling of 2745760780 in words is "two billion, seven hundred forty-five million, seven hundred sixty thousand, seven hundred eighty".