2664755 has 4 divisors (see below), whose sum is σ = 3197712. Its totient is φ = 2131800.

The previous prime is 2664721. The next prime is 2664763. The reversal of 2664755 is 5574662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5574662 = 2 ⋅2787331.

It is not a de Polignac number, because 2664755 - 2⁶ = 2664691 is a prime.

It is a Duffinian number.

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, 266471 + ... + 266480.

It is an arithmetic number, because the mean of its divisors is an integer number (799428).

2^2664755 is an apocalyptic number.

2664755 is a deficient number, since it is larger than the sum of its proper divisors (532957).

2664755 is an equidigital number, since it uses as much as digits as its factorization.

2664755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532956.

The product of its digits is 50400, while the sum is 35.

The square root of 2664755 is about 1632.4077309300. The cubic root of 2664755 is about 138.6391100577.

The spelling of 2664755 in words is "two million, six hundred sixty-four thousand, seven hundred fifty-five".