2756945 has 8 divisors (see below), whose sum is σ = 3385536. Its totient is φ = 2154096.

The previous prime is 2756939. The next prime is 2756959. The reversal of 2756945 is 5496572.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2756945 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2756899 and 2756908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6197 + ... + 6626.

It is an arithmetic number, because the mean of its divisors is an integer number (423192).

2^2756945 is an apocalyptic number.

It is an amenable number.

2756945 is a deficient number, since it is larger than the sum of its proper divisors (628591).

2756945 is a wasteful number, since it uses less digits than its factorization.

2756945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12871.

The product of its digits is 75600, while the sum is 38.

The square root of 2756945 is about 1660.4050710595. The cubic root of 2756945 is about 140.2198077702.

The spelling of 2756945 in words is "two million, seven hundred fifty-six thousand, nine hundred forty-five".