2745764 has 18 divisors (see below), whose sum is σ = 5589990. Its totient is φ = 1176672.

The previous prime is 2745761. The next prime is 2745767. The reversal of 2745764 is 4675472.

2745764 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 (2745761) and next prime (2745767).

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 153664 = 1610^2 + 392^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2745761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6809 + ... + 7200.

It is an arithmetic number, because the mean of its divisors is an integer number (310555).

2^2745764 is an apocalyptic number.

It is an amenable number.

2745764 is an abundant number, since it is smaller than the sum of its proper divisors (2844226).

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

2745764 is a wasteful number, since it uses less digits than its factorization.

2745764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027 (or 14018 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 2745764 is about 1657.0347009040. The cubic root of 2745764 is about 140.0299935737.

It can be divided in two parts, 274576 and 4, that multiplied together give a square (1098304 = 1048²).

The spelling of 2745764 in words is "two million, seven hundred forty-five thousand, seven hundred sixty-four".