2680757 has 4 divisors (see below), whose sum is σ = 2684556. Its totient is φ = 2676960.

The previous prime is 2680753. The next prime is 2680763. The reversal of 2680757 is 7570862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 703921 + 1976836 = 839^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680757 - 2² = 2680753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494 + ... + 2367.

It is an arithmetic number, because the mean of its divisors is an integer number (671139).

2^2680757 is an apocalyptic number.

It is an amenable number.

2680757 is a deficient number, since it is larger than the sum of its proper divisors (3799).

2680757 is an equidigital number, since it uses as much as digits as its factorization.

2680757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2680757 is about 1637.3017437235. The cubic root of 2680757 is about 138.9160682335.

The spelling of 2680757 in words is "two million, six hundred eighty thousand, seven hundred fifty-seven".