6864761 has 4 divisors (see below), whose sum is σ = 6880500. Its totient is φ = 6849024.

The previous prime is 6864713. The next prime is 6864769. The reversal of 6864761 is 1674686.

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 4243600 + 2621161 = 2060^2 + 1619^2 .

It is a cyclic number.

It is not a de Polignac number, because 6864761 - 2¹⁰ = 6863737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6864769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7196 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (1720125).

Almost surely, 2^6864761 is an apocalyptic number.

It is an amenable number.

6864761 is a deficient number, since it is larger than the sum of its proper divisors (15739).

6864761 is a wasteful number, since it uses less digits than its factorization.

6864761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15738.

The product of its digits is 48384, while the sum is 38.

The square root of 6864761 is about 2620.0688922240. The cubic root of 6864761 is about 190.0531799430.

The spelling of 6864761 in words is "six million, eight hundred sixty-four thousand, seven hundred sixty-one".