66707034 has 16 divisors (see below), whose sum is σ = 134434080. Its totient is φ = 22065680.

The previous prime is 66707033. The next prime is 66707077. The reversal of 66707034 is 43070766.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66706986 and 66707004.

It is not an unprimeable number, because it can be changed into a prime (66707033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41649 + ... + 43220.

It is an arithmetic number, because the mean of its divisors is an integer number (8402130).

Almost surely, 2^66707034 is an apocalyptic number.

66707034 is an abundant number, since it is smaller than the sum of its proper divisors (67727046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66707034 is a wasteful number, since it uses less digits than its factorization.

66707034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85005.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 66707034 is about 8167.4374194113. The cubic root of 66707034 is about 405.5619572838.

The spelling of 66707034 in words is "sixty-six million, seven hundred seven thousand, thirty-four".