717670493 has 2 divisors, whose sum is σ = 717670494. Its totient is φ = 717670492.

The previous prime is 717670469. The next prime is 717670517. The reversal of 717670493 is 394076717.

717670493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (717670469) and next prime (717670517).

It can be written as a sum of positive squares in only one way, i.e., 559464409 + 158206084 = 23653^2 + 12578^2 .

It is a cyclic number.

It is not a de Polignac number, because 717670493 - 2²² = 713476189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (717670423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358835246 + 358835247.

It is an arithmetic number, because the mean of its divisors is an integer number (358835247).

Almost surely, 2^717670493 is an apocalyptic number.

It is an amenable number.

717670493 is a deficient number, since it is larger than the sum of its proper divisors (1).

717670493 is an equidigital number, since it uses as much as digits as its factorization.

717670493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 717670493 is about 26789.3727623474. The cubic root of 717670493 is about 895.3132879491.

The spelling of 717670493 in words is "seven hundred seventeen million, six hundred seventy thousand, four hundred ninety-three".