4312709 has 4 divisors (see below), whose sum is σ = 4322604. Its totient is φ = 4302816.

The previous prime is 4312703. The next prime is 4312727. The reversal of 4312709 is 9072134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9072134 = 2 ⋅4536067.

It can be written as a sum of positive squares in 2 ways, for example, as 3150625 + 1162084 = 1775^2 + 1078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4312709 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 (4312703) 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, 4262 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (1080651).

Almost surely, 2^4312709 is an apocalyptic number.

It is an amenable number.

4312709 is a deficient number, since it is larger than the sum of its proper divisors (9895).

4312709 is an equidigital number, since it uses as much as digits as its factorization.

4312709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9894.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 4312709 is about 2076.7062864064. The cubic root of 4312709 is about 162.7733812403.

The spelling of 4312709 in words is "four million, three hundred twelve thousand, seven hundred nine".