73000000000001 has 8 divisors (see below), whose sum is σ = 75421912937280. Its totient is φ = 70601715481968.

The previous prime is 72999999999973. The next prime is 73000000000027. The reversal of 73000000000001 is 10000000000037.

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 73000000000001 - 2⁴⁶ = 2631255822337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72999999999892 and 72999999999901.

It is not an unprimeable number, because it can be changed into a prime (73000000002001) 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, 5907098531 + ... + 5907110888.

It is an arithmetic number, because the mean of its divisors is an integer number (9427739117160).

Almost surely, 2^{73000000000001} is an apocalyptic number.

It is an amenable number.

73000000000001 is a deficient number, since it is larger than the sum of its proper divisors (2421912937279).

73000000000001 is a wasteful number, since it uses less digits than its factorization.

73000000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11814209623.

The product of its (nonzero) digits is 21, while the sum is 11.

Adding to 73000000000001 its reverse (10000000000037), we get a palindrome (83000000000038).

The spelling of 73000000000001 in words is "seventy-three trillion, one", and thus it is an aban number and an uban number.