66327275 has 12 divisors (see below), whose sum is σ = 93995472. Its totient is φ = 45481440.

The previous prime is 66327257. The next prime is 66327301. The reversal of 66327275 is 57272366.

It is not a de Polignac number, because 66327275 - 2⁶ = 66327211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189332 + ... + 189681.

It is an arithmetic number, because the mean of its divisors is an integer number (7832956).

Almost surely, 2^66327275 is an apocalyptic number.

66327275 is a deficient number, since it is larger than the sum of its proper divisors (27668197).

66327275 is a wasteful number, since it uses less digits than its factorization.

66327275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379030 (or 379025 counting only the distinct ones).

The product of its digits is 105840, while the sum is 38.

The square root of 66327275 is about 8144.1558801388. The cubic root of 66327275 is about 404.7908791858.

The spelling of 66327275 in words is "sixty-six million, three hundred twenty-seven thousand, two hundred seventy-five".