66334073 has 16 divisors (see below), whose sum is σ = 75969600. Its totient is φ = 57412800.

The previous prime is 66334067. The next prime is 66334091. The reversal of 66334073 is 37043366.

It is a cyclic number.

It is not a de Polignac number, because 66334073 - 2¹⁴ = 66317689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66334003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23618 + ... + 26276.

It is an arithmetic number, because the mean of its divisors is an integer number (4748100).

Almost surely, 2^66334073 is an apocalyptic number.

It is an amenable number.

66334073 is a deficient number, since it is larger than the sum of its proper divisors (9635527).

66334073 is a wasteful number, since it uses less digits than its factorization.

66334073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792.

The product of its (nonzero) digits is 27216, while the sum is 32.

The square root of 66334073 is about 8144.5732239326. The cubic root of 66334073 is about 404.8047079583.

The spelling of 66334073 in words is "sixty-six million, three hundred thirty-four thousand, seventy-three".