2750655 has 8 divisors (see below), whose sum is σ = 4401072. Its totient is φ = 1467008.

The previous prime is 2750653. The next prime is 2750663. The reversal of 2750655 is 5560572.

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

It is a cyclic number.

It is not a de Polignac number, because 2750655 - 2¹ = 2750653 is a prime.

It is a super-2 number, since 2×2750655² = 15132205858050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91674 + ... + 91703.

It is an arithmetic number, because the mean of its divisors is an integer number (550134).

2^2750655 is an apocalyptic number.

2750655 is a deficient number, since it is larger than the sum of its proper divisors (1650417).

2750655 is a wasteful number, since it uses less digits than its factorization.

2750655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183385.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2750655 is about 1658.5098733502. The cubic root of 2750655 is about 140.1130888968.

Adding to 2750655 its sum of digits (30), we get a triangular number (2750685 = T₂₃₄₅).

The spelling of 2750655 in words is "two million, seven hundred fifty thousand, six hundred fifty-five".