66006874 has 32 divisors (see below), whose sum is σ = 108633600. Its totient is φ = 29963520.

The previous prime is 66006827. The next prime is 66006877. The reversal of 66006874 is 47860066.

It is not an unprimeable number, because it can be changed into a prime (66006877) 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, 161182 + ... + 161590.

It is an arithmetic number, because the mean of its divisors is an integer number (3394800).

Almost surely, 2^66006874 is an apocalyptic number.

66006874 is a deficient number, since it is larger than the sum of its proper divisors (42626726).

66006874 is a wasteful number, since it uses less digits than its factorization.

66006874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 66006874 is about 8124.4614590753. The cubic root of 66006874 is about 404.1380316175.

The spelling of 66006874 in words is "sixty-six million, six thousand, eight hundred seventy-four".