73275817 has 4 divisors (see below), whose sum is σ = 74517840. Its totient is φ = 72033796.

The previous prime is 73275791. The next prime is 73275833. The reversal of 73275817 is 71857237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73275817 - 2¹¹ = 73273769 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73275817.

It is not an unprimeable number, because it can be changed into a prime (73275857) 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, 620923 + ... + 621040.

It is an arithmetic number, because the mean of its divisors is an integer number (18629460).

Almost surely, 2^73275817 is an apocalyptic number.

It is an amenable number.

73275817 is a deficient number, since it is larger than the sum of its proper divisors (1242023).

73275817 is a wasteful number, since it uses less digits than its factorization.

73275817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242022.

The product of its digits is 82320, while the sum is 40.

The square root of 73275817 is about 8560.1294966840. The cubic root of 73275817 is about 418.4596201144.

The spelling of 73275817 in words is "seventy-three million, two hundred seventy-five thousand, eight hundred seventeen".