2690755 has 4 divisors (see below), whose sum is σ = 3228912. Its totient is φ = 2152600.

The previous prime is 2690719. The next prime is 2690767. The reversal of 2690755 is 5570962.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2690755 - 2¹⁹ = 2166467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2690755.

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, 269071 + ... + 269080.

It is an arithmetic number, because the mean of its divisors is an integer number (807228).

2^2690755 is an apocalyptic number.

2690755 is a deficient number, since it is larger than the sum of its proper divisors (538157).

2690755 is an equidigital number, since it uses as much as digits as its factorization.

2690755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538156.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 2690755 is about 1640.3520963500. The cubic root of 2690755 is about 139.0885518250.

It can be divided in two parts, 26907 and 55, that added together give a palindrome (26962).

The spelling of 2690755 in words is "two million, six hundred ninety thousand, seven hundred fifty-five".