66760301 has 2 divisors, whose sum is σ = 66760302. Its totient is φ = 66760300.

The previous prime is 66760289. The next prime is 66760307. The reversal of 66760301 is 10306766.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60435076 + 6325225 = 7774^2 + 2515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66760301 is a prime.

It is a super-2 number, since 2×66760301² = 8913875579221202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66760307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33380150 + 33380151.

It is an arithmetic number, because the mean of its divisors is an integer number (33380151).

Almost surely, 2^66760301 is an apocalyptic number.

It is an amenable number.

66760301 is a deficient number, since it is larger than the sum of its proper divisors (1).

66760301 is an equidigital number, since it uses as much as digits as its factorization.

66760301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 66760301 is about 8170.6977058266. The cubic root of 66760301 is about 405.6698785421.

The spelling of 66760301 in words is "sixty-six million, seven hundred sixty thousand, three hundred one".