2745494 has 4 divisors (see below), whose sum is σ = 4118244. Its totient is φ = 1372746.

The previous prime is 2745473. The next prime is 2745497. The reversal of 2745494 is 4945472.

2745494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745497) 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 as a sum of consecutive naturals, namely, 686372 + ... + 686375.

It is an arithmetic number, because the mean of its divisors is an integer number (1029561).

2^2745494 is an apocalyptic number.

2745494 is a deficient number, since it is larger than the sum of its proper divisors (1372750).

2745494 is a wasteful number, since it uses less digits than its factorization.

2745494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372749.

The product of its digits is 40320, while the sum is 35.

The square root of 2745494 is about 1656.9532280665. The cubic root of 2745494 is about 140.0254035534.

The spelling of 2745494 in words is "two million, seven hundred forty-five thousand, four hundred ninety-four".