66427301 has 2 divisors, whose sum is σ = 66427302. Its totient is φ = 66427300.

The previous prime is 66427297. The next prime is 66427337. The reversal of 66427301 is 10372466.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61701025 + 4726276 = 7855^2 + 2174^2 .

It is a cyclic number.

It is not a de Polignac number, because 66427301 - 2² = 66427297 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66427201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33213650 + 33213651.

It is an arithmetic number, because the mean of its divisors is an integer number (33213651).

Almost surely, 2^66427301 is an apocalyptic number.

It is an amenable number.

66427301 is a deficient number, since it is larger than the sum of its proper divisors (1).

66427301 is an equidigital number, since it uses as much as digits as its factorization.

66427301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 66427301 is about 8150.2945345552. The cubic root of 66427301 is about 404.9942609561.

Adding to 66427301 its reverse (10372466), we get a palindrome (76799767).

The spelling of 66427301 in words is "sixty-six million, four hundred twenty-seven thousand, three hundred one".