7127685 has 12 divisors (see below), whose sum is σ = 12354732. Its totient is φ = 3801408.

The previous prime is 7127663. The next prime is 7127689. The reversal of 7127685 is 5867217.

It can be written as a sum of positive squares in 2 ways, for example, as 5280804 + 1846881 = 2298^2 + 1359^2 .

It is not a de Polignac number, because 7127685 - 2⁹ = 7127173 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7127689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79152 + ... + 79241.

It is an arithmetic number, because the mean of its divisors is an integer number (1029561).

Almost surely, 2^7127685 is an apocalyptic number.

It is an amenable number.

7127685 is a deficient number, since it is larger than the sum of its proper divisors (5227047).

7127685 is a wasteful number, since it uses less digits than its factorization.

7127685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158404 (or 158401 counting only the distinct ones).

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

The square root of 7127685 is about 2669.7724622147. The cubic root of 7127685 is about 192.4492248160.

The spelling of 7127685 in words is "seven million, one hundred twenty-seven thousand, six hundred eighty-five".