7312685 has 8 divisors (see below), whose sum is σ = 8874360. Its totient is φ = 5784064.

The previous prime is 7312681. The next prime is 7312693. The reversal of 7312685 is 5862137.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1643524 + 5669161 = 1282^2 + 2381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7312685 - 2² = 7312681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7312681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7772 + ... + 8661.

It is an arithmetic number, because the mean of its divisors is an integer number (1109295).

Almost surely, 2^7312685 is an apocalyptic number.

It is an amenable number.

7312685 is a deficient number, since it is larger than the sum of its proper divisors (1561675).

7312685 is a wasteful number, since it uses less digits than its factorization.

7312685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16527.

The product of its digits is 10080, while the sum is 32.

The square root of 7312685 is about 2704.1976628937. The cubic root of 7312685 is about 194.1000387438.

It can be divided in two parts, 7312 and 685, that added together give a palindrome (7997).

The spelling of 7312685 in words is "seven million, three hundred twelve thousand, six hundred eighty-five".