66334741 has 6 divisors (see below), whose sum is σ = 72913526. Its totient is φ = 60304200.

The previous prime is 66334733. The next prime is 66334789. The reversal of 66334741 is 14743366.

It can be written as a sum of positive squares in only one way, i.e., 48024900 + 18309841 = 6930^2 + 4279^2 .

It is not a de Polignac number, because 66334741 - 2³ = 66334733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66334697 and 66334706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66334721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273990 + ... + 274231.

Almost surely, 2^66334741 is an apocalyptic number.

It is an amenable number.

66334741 is a deficient number, since it is larger than the sum of its proper divisors (6578785).

66334741 is a wasteful number, since it uses less digits than its factorization.

66334741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548243 (or 548232 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 66334741 is about 8144.6142327307. The cubic root of 66334741 is about 404.8060667805.

The spelling of 66334741 in words is "sixty-six million, three hundred thirty-four thousand, seven hundred forty-one".