66674195 has 8 divisors (see below), whose sum is σ = 91438944. Its totient is φ = 45719424.

The previous prime is 66674143. The next prime is 66674207. The reversal of 66674195 is 59147666.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 66674195 - 2⁸ = 66673939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952454 + ... + 952523.

It is an arithmetic number, because the mean of its divisors is an integer number (11429868).

Almost surely, 2^66674195 is an apocalyptic number.

66674195 is a deficient number, since it is larger than the sum of its proper divisors (24764749).

66674195 is a wasteful number, since it uses less digits than its factorization.

66674195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904989.

The product of its digits is 272160, while the sum is 44.

The square root of 66674195 is about 8165.4268106450. The cubic root of 66674195 is about 405.4953954117.

The spelling of 66674195 in words is "sixty-six million, six hundred seventy-four thousand, one hundred ninety-five".