73171640803 has 8 divisors (see below), whose sum is σ = 73252118016. Its totient is φ = 73091200200.

The previous prime is 73171640797. The next prime is 73171640809. The reversal of 73171640803 is 30804617137.

It is an interprime number because it is at equal distance from previous prime (73171640797) and next prime (73171640809).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73171640803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73171640809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5990100 + ... + 6002302.

It is an arithmetic number, because the mean of its divisors is an integer number (9156514752).

Almost surely, 2^73171640803 is an apocalyptic number.

73171640803 is a deficient number, since it is larger than the sum of its proper divisors (80477213).

73171640803 is a wasteful number, since it uses less digits than its factorization.

73171640803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18305.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 73171640803 in words is "seventy-three billion, one hundred seventy-one million, six hundred forty thousand, eight hundred three".