2755790 has 8 divisors (see below), whose sum is σ = 4960440. Its totient is φ = 1102312.

The previous prime is 2755789. The next prime is 2755793. The reversal of 2755790 is 975572.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2755790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755793) 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, 137780 + ... + 137799.

It is an arithmetic number, because the mean of its divisors is an integer number (620055).

2^2755790 is an apocalyptic number.

2755790 is a deficient number, since it is larger than the sum of its proper divisors (2204650).

2755790 is a wasteful number, since it uses less digits than its factorization.

2755790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275586.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 2755790 is about 1660.0572279292. The cubic root of 2755790 is about 140.2002237137.

The spelling of 2755790 in words is "two million, seven hundred fifty-five thousand, seven hundred ninety".