2745904 has 20 divisors (see below), whose sum is σ = 6080464. Its totient is φ = 1176768.

The previous prime is 2745863. The next prime is 2745907. The reversal of 2745904 is 4095472.

It is not an unprimeable number, because it can be changed into a prime (2745907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12147 + ... + 12370.

2^2745904 is an apocalyptic number.

It is an amenable number.

2745904 is an abundant number, since it is smaller than the sum of its proper divisors (3334560).

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

2745904 is a wasteful number, since it uses less digits than its factorization.

2745904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24532 (or 24526 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2745904 is about 1657.0769445020. The cubic root of 2745904 is about 140.0323734658.

The spelling of 2745904 in words is "two million, seven hundred forty-five thousand, nine hundred four".