73172775803 has 8 divisors (see below), whose sum is σ = 74160967680. Its totient is φ = 72191022120.

The previous prime is 73172775791. The next prime is 73172775817. The reversal of 73172775803 is 30857727137.

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 73172775803 - 2¹⁶ = 73172710267 is a prime.

It is a super-2 number, since 2×73172775803² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73172775833) 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, 1586663 + ... + 1632128.

It is an arithmetic number, because the mean of its divisors is an integer number (9270120960).

Almost surely, 2^73172775803 is an apocalyptic number.

73172775803 is a deficient number, since it is larger than the sum of its proper divisors (988191877).

73172775803 is a wasteful number, since it uses less digits than its factorization.

73172775803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219097.

The product of its (nonzero) digits is 1728720, while the sum is 50.

The spelling of 73172775803 in words is "seventy-three billion, one hundred seventy-two million, seven hundred seventy-five thousand, eight hundred three".