73173406 has 8 divisors (see below), whose sum is σ = 116216640. Its totient is φ = 34434528.

The previous prime is 73173403. The next prime is 73173449. The reversal of 73173406 is 60437137.

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 (73173403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076046 + ... + 1076113.

It is an arithmetic number, because the mean of its divisors is an integer number (14527080).

Almost surely, 2^73173406 is an apocalyptic number.

73173406 is a deficient number, since it is larger than the sum of its proper divisors (43043234).

73173406 is a wasteful number, since it uses less digits than its factorization.

73173406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152178.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 73173406 is about 8554.1455447052. The cubic root of 73173406 is about 418.2645814681.

The spelling of 73173406 in words is "seventy-three million, one hundred seventy-three thousand, four hundred six".