66627874 has 8 divisors (see below), whose sum is σ = 101635920. Its totient is φ = 32749236.

The previous prime is 66627863. The next prime is 66627893. The reversal of 66627874 is 47872666.

66627874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282204 + ... + 282439.

It is an arithmetic number, because the mean of its divisors is an integer number (12704490).

Almost surely, 2^66627874 is an apocalyptic number.

66627874 is a deficient number, since it is larger than the sum of its proper divisors (35008046).

66627874 is a wasteful number, since it uses less digits than its factorization.

66627874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564704.

The product of its digits is 677376, while the sum is 46.

The square root of 66627874 is about 8162.5899076212. The cubic root of 66627874 is about 405.4014695002.

The spelling of 66627874 in words is "sixty-six million, six hundred twenty-seven thousand, eight hundred seventy-four".