2670761 has 2 divisors, whose sum is σ = 2670762. Its totient is φ = 2670760.

The previous prime is 2670749. The next prime is 2670769. The reversal of 2670761 is 1670762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2544025 + 126736 = 1595^2 + 356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2670761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2670769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335380 + 1335381.

It is an arithmetic number, because the mean of its divisors is an integer number (1335381).

2^2670761 is an apocalyptic number.

It is an amenable number.

2670761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670761 is an equidigital number, since it uses as much as digits as its factorization.

2670761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2670761 is about 1634.2463094650. The cubic root of 2670761 is about 138.7431898830.

Subtracting from 2670761 its reverse (1670762), we obtain a palindrome (999999).

The spelling of 2670761 in words is "two million, six hundred seventy thousand, seven hundred sixty-one".