2765725445 has 16 divisors (see below), whose sum is σ = 3799596288. Its totient is φ = 1893196800.

The previous prime is 2765725441. The next prime is 2765725451. The reversal of 2765725445 is 5445275672.

2765725445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2765725445 - 2² = 2765725441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2765725445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2765725441) 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, 48281 + ... + 88670.

It is an arithmetic number, because the mean of its divisors is an integer number (237474768).

Almost surely, 2^2765725445 is an apocalyptic number.

It is an amenable number.

2765725445 is a deficient number, since it is larger than the sum of its proper divisors (1033870843).

2765725445 is a wasteful number, since it uses less digits than its factorization.

2765725445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137540.

The product of its digits is 2352000, while the sum is 47.

The square root of 2765725445 is about 52590.1649075186. The cubic root of 2765725445 is about 1403.6850951135.

The spelling of 2765725445 in words is "two billion, seven hundred sixty-five million, seven hundred twenty-five thousand, four hundred forty-five".