73173361 has 8 divisors (see below), whose sum is σ = 75669248. Its totient is φ = 70686000.

The previous prime is 73173319. The next prime is 73173379. The reversal of 73173361 is 16337137.

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

It is a cyclic number.

It is not a de Polignac number, because 73173361 - 2¹¹ = 73171313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73173301) 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, 18706 + ... + 22276.

It is an arithmetic number, because the mean of its divisors is an integer number (9458656).

Almost surely, 2^73173361 is an apocalyptic number.

It is an amenable number.

73173361 is a deficient number, since it is larger than the sum of its proper divisors (2495887).

73173361 is a wasteful number, since it uses less digits than its factorization.

73173361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263.

The product of its digits is 7938, while the sum is 31.

The square root of 73173361 is about 8554.1429144012. The cubic root of 73173361 is about 418.2644957269.

The spelling of 73173361 in words is "seventy-three million, one hundred seventy-three thousand, three hundred sixty-one".