667074107 has 8 divisors (see below), whose sum is σ = 765644256. Its totient is φ = 569322432.

The previous prime is 667074091. The next prime is 667074127. The reversal of 667074107 is 701470766.

It is a happy number.

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

It is not a de Polignac number, because 667074107 - 2⁴ = 667074091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667074127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202868 + ... + 206129.

It is an arithmetic number, because the mean of its divisors is an integer number (95705532).

Almost surely, 2^667074107 is an apocalyptic number.

667074107 is a deficient number, since it is larger than the sum of its proper divisors (98570149).

667074107 is a wasteful number, since it uses less digits than its factorization.

667074107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409237.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 667074107 is about 25827.7778176908. Note that the first 3 decimals coincide. The cubic root of 667074107 is about 873.7583944512.

The spelling of 667074107 in words is "six hundred sixty-seven million, seventy-four thousand, one hundred seven".