2755730 has 8 divisors (see below), whose sum is σ = 4960332. Its totient is φ = 1102288.

The previous prime is 2755721. The next prime is 2755747. The reversal of 2755730 is 375572.

It can be written as a sum of positive squares in 2 ways, for example, as 2725801 + 29929 = 1651^2 + 173^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2755693 and 2755702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137777 + ... + 137796.

2^2755730 is an apocalyptic number.

2755730 is a deficient number, since it is larger than the sum of its proper divisors (2204602).

2755730 is a wasteful number, since it uses less digits than its factorization.

2755730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275580.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 2755730 is about 1660.0391561647. The cubic root of 2755730 is about 140.1992062107.

The spelling of 2755730 in words is "two million, seven hundred fifty-five thousand, seven hundred thirty".