7312717 has 4 divisors (see below), whose sum is σ = 7510396. Its totient is φ = 7115040.

The previous prime is 7312699. The next prime is 7312751. The reversal of 7312717 is 7172137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7172137 = 7 ⋅1024591.

It can be written as a sum of positive squares in 2 ways, for example, as 4691556 + 2621161 = 2166^2 + 1619^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312717 - 2¹⁹ = 6788429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7312757) 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, 98784 + ... + 98857.

It is an arithmetic number, because the mean of its divisors is an integer number (1877599).

Almost surely, 2^7312717 is an apocalyptic number.

It is an amenable number.

7312717 is a deficient number, since it is larger than the sum of its proper divisors (197679).

7312717 is a wasteful number, since it uses less digits than its factorization.

7312717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197678.

The product of its digits is 2058, while the sum is 28.

The square root of 7312717 is about 2704.2035796145. The cubic root of 7312717 is about 194.1003218679.

The spelling of 7312717 in words is "seven million, three hundred twelve thousand, seven hundred seventeen".