7801713 has 6 divisors (see below), whose sum is σ = 11269154. Its totient is φ = 5201136.

The previous prime is 7801699. The next prime is 7801721. The reversal of 7801713 is 3171087.

7801713 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 4297329 + 3504384 = 2073^2 + 1872^2 .

It is not a de Polignac number, because 7801713 - 2⁴ = 7801697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7801733) 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 5 ways as a sum of consecutive naturals, for example, 433420 + ... + 433437.

Almost surely, 2^7801713 is an apocalyptic number.

It is an amenable number.

7801713 is a deficient number, since it is larger than the sum of its proper divisors (3467441).

7801713 is a wasteful number, since it uses less digits than its factorization.

7801713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866863 (or 866860 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 7801713 is about 2793.1546681127. The cubic root of 7801713 is about 198.3337651914. Note that the first 3 decimals are identical.

The spelling of 7801713 in words is "seven million, eight hundred one thousand, seven hundred thirteen".