2745790 has 8 divisors (see below), whose sum is σ = 4942440. Its totient is φ = 1098312.

The previous prime is 2745781. The next prime is 2745797. The reversal of 2745790 is 975472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745797) 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, 137280 + ... + 137299.

It is an arithmetic number, because the mean of its divisors is an integer number (617805).

2^2745790 is an apocalyptic number.

2745790 is a deficient number, since it is larger than the sum of its proper divisors (2196650).

2745790 is a wasteful number, since it uses less digits than its factorization.

2745790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274586.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 2745790 is about 1657.0425462251. The cubic root of 2745790 is about 140.0304355598.

The spelling of 2745790 in words is "two million, seven hundred forty-five thousand, seven hundred ninety".