66376741 has 2 divisors, whose sum is σ = 66376742. Its totient is φ = 66376740.

The previous prime is 66376727. The next prime is 66376757. The reversal of 66376741 is 14767366.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66096900 + 279841 = 8130^2 + 529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66376741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66376694 and 66376703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66376771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33188370 + 33188371.

It is an arithmetic number, because the mean of its divisors is an integer number (33188371).

Almost surely, 2^66376741 is an apocalyptic number.

It is an amenable number.

66376741 is a deficient number, since it is larger than the sum of its proper divisors (1).

66376741 is an equidigital number, since it uses as much as digits as its factorization.

66376741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 66376741 is about 8147.1922157268. The cubic root of 66376741 is about 404.8914833991.

The spelling of 66376741 in words is "sixty-six million, three hundred seventy-six thousand, seven hundred forty-one".