73666006 has 8 divisors (see below), whose sum is σ = 110630520. Its totient is φ = 36789168.

The previous prime is 73665997. The next prime is 73666007. The reversal of 73666006 is 60066637.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73666007) 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, 19776 + ... + 23203.

It is an arithmetic number, because the mean of its divisors is an integer number (13828815).

Almost surely, 2^73666006 is an apocalyptic number.

73666006 is a deficient number, since it is larger than the sum of its proper divisors (36964514).

73666006 is a wasteful number, since it uses less digits than its factorization.

73666006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43838.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 73666006 is about 8582.8903057187. The cubic root of 73666006 is about 419.2010624536.

The spelling of 73666006 in words is "seventy-three million, six hundred sixty-six thousand, six".