73423666 has 8 divisors (see below), whose sum is σ = 110976624. Its totient is φ = 36431460.

The previous prime is 73423639. The next prime is 73423703. The reversal of 73423666 is 66632437.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139860 + ... + 140383.

It is an arithmetic number, because the mean of its divisors is an integer number (13872078).

Almost surely, 2^73423666 is an apocalyptic number.

73423666 is a deficient number, since it is larger than the sum of its proper divisors (37552958).

73423666 is a wasteful number, since it uses less digits than its factorization.

73423666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280376.

The product of its digits is 108864, while the sum is 37.

The square root of 73423666 is about 8568.7610539681. The cubic root of 73423666 is about 418.7408737597.

The spelling of 73423666 in words is "seventy-three million, four hundred twenty-three thousand, six hundred sixty-six".