716447 has 2 divisors, whose sum is σ = 716448. Its totient is φ = 716446.

The previous prime is 716413. The next prime is 716449. The reversal of 716447 is 744617.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 716447 - 2⁶ = 716383 is a prime.

Together with 716449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358223 + 358224.

It is an arithmetic number, because the mean of its divisors is an integer number (358224).

2⁷¹⁶⁴⁴⁷ is an apocalyptic number.

716447 is a deficient number, since it is larger than the sum of its proper divisors (1).

716447 is an equidigital number, since it uses as much as digits as its factorization.

716447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 716447 is about 846.4319228385. The cubic root of 716447 is about 89.4804218383.

The spelling of 716447 in words is "seven hundred sixteen thousand, four hundred forty-seven".