2745745575720 has 128 divisors (see below), whose sum is σ = 9414873907200. Its totient is φ = 627539717376.

The previous prime is 2745745575697. The next prime is 2745745575743. The reversal of 2745745575720 is 275755475472.

2745745575720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2745745575697) and next prime (2745745575743).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9073497 + ... + 9371223.

It is an arithmetic number, because the mean of its divisors is an integer number (73553702400).

Almost surely, 2^{2745745575720} is an apocalyptic number.

2745745575720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745745575720 is an abundant number, since it is smaller than the sum of its proper divisors (6669128331480).

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

2745745575720 is a wasteful number, since it uses less digits than its factorization.

2745745575720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308727 (or 308723 counting only the distinct ones).

The product of its (nonzero) digits is 96040000, while the sum is 60.

The spelling of 2745745575720 in words is "two trillion, seven hundred forty-five billion, seven hundred forty-five million, five hundred seventy-five thousand, seven hundred twenty".