73018666 has 8 divisors (see below), whose sum is σ = 125174880. Its totient is φ = 31293708.

The previous prime is 73018651. The next prime is 73018667. The reversal of 73018666 is 66681037.

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

It is not an unprimeable number, because it can be changed into a prime (73018667) 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, 2607796 + ... + 2607823.

It is an arithmetic number, because the mean of its divisors is an integer number (15646860).

Almost surely, 2^73018666 is an apocalyptic number.

73018666 is a deficient number, since it is larger than the sum of its proper divisors (52156214).

73018666 is a wasteful number, since it uses less digits than its factorization.

73018666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215628.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 73018666 is about 8545.0960205255. The cubic root of 73018666 is about 417.9695383127.

The spelling of 73018666 in words is "seventy-three million, eighteen thousand, six hundred sixty-six".