66207074 has 8 divisors (see below), whose sum is σ = 100709568. Its totient is φ = 32637220.

The previous prime is 66207073. The next prime is 66207079. The reversal of 66207074 is 47070266.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66207074.

It is not an unprimeable number, because it can be changed into a prime (66207073) 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, 232982 + ... + 233265.

It is an arithmetic number, because the mean of its divisors is an integer number (12588696).

Almost surely, 2^66207074 is an apocalyptic number.

66207074 is a deficient number, since it is larger than the sum of its proper divisors (34502494).

66207074 is a wasteful number, since it uses less digits than its factorization.

66207074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466320.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 66207074 is about 8136.7729475511. The cubic root of 66207074 is about 404.5462051288.

The spelling of 66207074 in words is "sixty-six million, two hundred seven thousand, seventy-four".