66734083 has 4 divisors (see below), whose sum is σ = 71867488. Its totient is φ = 61600680.

The previous prime is 66734047. The next prime is 66734131. The reversal of 66734083 is 38043766.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66734083 - 2²⁵ = 33179651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66734683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2566683 + ... + 2566708.

It is an arithmetic number, because the mean of its divisors is an integer number (17966872).

Almost surely, 2^66734083 is an apocalyptic number.

66734083 is a deficient number, since it is larger than the sum of its proper divisors (5133405).

66734083 is a wasteful number, since it uses less digits than its factorization.

66734083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133404.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 66734083 is about 8169.0931565260. The cubic root of 66734083 is about 405.6167669108.

The spelling of 66734083 in words is "sixty-six million, seven hundred thirty-four thousand, eighty-three".