716631347 has 2 divisors, whose sum is σ = 716631348. Its totient is φ = 716631346.

The previous prime is 716631313. The next prime is 716631359. The reversal of 716631347 is 743136617.

It is a strong prime.

It is an emirp because it is prime and its reverse (743136617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 716631347 - 2⁶ = 716631283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 716631347.

It is not a weakly prime, because it can be changed into another prime (716631647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358315673 + 358315674.

It is an arithmetic number, because the mean of its divisors is an integer number (358315674).

Almost surely, 2^716631347 is an apocalyptic number.

716631347 is a deficient number, since it is larger than the sum of its proper divisors (1).

716631347 is an equidigital number, since it uses as much as digits as its factorization.

716631347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 716631347 is about 26769.9709936339. The cubic root of 716631347 is about 894.8809583358.

The spelling of 716631347 in words is "seven hundred sixteen million, six hundred thirty-one thousand, three hundred forty-seven".