66760317 has 12 divisors (see below), whose sum is σ = 103849564. Its totient is φ = 41083200.

The previous prime is 66760307. The next prime is 66760327. The reversal of 66760317 is 71306766.

It is an interprime number because it is at equal distance from previous prime (66760307) and next prime (66760327).

It can be written as a sum of positive squares in 2 ways, for example, as 44235801 + 22524516 = 6651^2 + 4746^2 .

It is not a de Polignac number, because 66760317 - 2⁴ = 66760301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66760307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285184 + ... + 285417.

Almost surely, 2^66760317 is an apocalyptic number.

It is an amenable number.

66760317 is a deficient number, since it is larger than the sum of its proper divisors (37089247).

66760317 is a wasteful number, since it uses less digits than its factorization.

66760317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570620 (or 570617 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 66760317 is about 8170.6986849351. The cubic root of 66760317 is about 405.6699109502.

The spelling of 66760317 in words is "sixty-six million, seven hundred sixty thousand, three hundred seventeen".