6712785 has 12 divisors (see below), whose sum is σ = 11635572. Its totient is φ = 3580128.

The previous prime is 6712753. The next prime is 6712787. The reversal of 6712785 is 5872176.

It can be written as a sum of positive squares in 2 ways, for example, as 4498641 + 2214144 = 2121^2 + 1488^2 .

It is not a de Polignac number, because 6712785 - 2⁵ = 6712753 is a prime.

It is a super-2 number, since 2×6712785² = 90122964912450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6712787) 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 11 ways as a sum of consecutive naturals, for example, 74542 + ... + 74631.

It is an arithmetic number, because the mean of its divisors is an integer number (969631).

Almost surely, 2^6712785 is an apocalyptic number.

It is an amenable number.

6712785 is a deficient number, since it is larger than the sum of its proper divisors (4922787).

6712785 is a wasteful number, since it uses less digits than its factorization.

6712785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149184 (or 149181 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 6712785 is about 2590.9042822922. The cubic root of 6712785 is about 188.6401989921.

The spelling of 6712785 in words is "six million, seven hundred twelve thousand, seven hundred eighty-five".